U.S. announces $380 million in humanitarian assistance for Syria
A man reacts after what activists said was an air raid by forces loyal to Syrian President Bashar al-Assad in the al-Marja district of Aleppo on Monday, December 23. The United Nations estimates more than 100,000 people have been killed since the Syrian conflict began in March 2011. Click through to see the most compelling images taken during the conflict, which is now a civil war:
Free Syrian Army fighters sit in a damaged house in Old Aleppo on December 21.
Free Syrian Army fighters sit in a damaged house in Old Aleppo on December 21.
People search for survivors amid the rubble after an airstrike in Aleppo on Tuesday, December 17.
A man sits on the ground after the airstrike in Aleppo on December 17.
People search for survivors amid the rubble after an airstrike in Aleppo on Tuesday, December 17.
A man sits on the ground after the airstrike in Aleppo on December 17.
A woman carries children following airstrikes on a rebel area of Aleppo on Sunday, December 15.
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.
Syrians help a wounded woman following airstrikes in Aleppo on December 15.
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.
Syrian rebel fighters clash with pro-government forces in Aleppo on Wednesday, December 11.
A woman weeps inside a damaged vehicle after forces loyal to President Bashar al-Assad captured the town of Nabak on Monday, December 9.
Rebel fighters in Aleppo fortify a barricade with destroyed public buses on Wednesday, December 4.
A rebel fighter takes position during fighting with government forces in Deir Ezzor on Monday, December 2.
Shiite fighters from a group called the Hussein Brigade search for rebels from the Free Syrian Army in Hejeira on Thursday, November 21.
Free Syrian Army rebels battle government forces in Aleppo, Syria, on Monday, November 18.
A rebel fighter fires his weapon as he stands amid rubble and debris during clashes with Syrian government forces in Deir Ezzor, Syria, on Monday, November 11.
A rebel fighter prepares an improvised mortar shell in Aleppo, Syria, on Saturday, November 9.
Two injured men are transported on a cart in Aleppo, Syria, following shelling as fighting between pro-government forces and rebels continues on Saturday, October 26.
Rebel fighters hold a position in Deir Ezzor, Syria, on Thursday, October 24.
An opposition fighter stands in the doorway of a building as he smokes a cigarette in Deir Ezzor, Syria, on Tuesday, October 22.
People use buckets as they try to extinguish a fire that ignited at a fuel station in Aleppo, Syria, on Sunday, October 20.
A Syrian opposition fighter aims a catapult toward regime forces in Aleppo, Syria, on Thursday, October 17.
An opposition fighter rests on the front lines in the northeastern Syria city of Deir Ezzor on Tuesday, October 15.
Firefighters extinguish a burning vehicle after two mortar rounds struck the Abu Roumaneh area in Damascus, Syria, on Saturday, October 12.
An opposition fighter aims as others run for cover while they hold a position behind burning tires in the Salaheddin district of the northern Syrian city of Aleppo on Wednesday, October 9.
An opposition fighter smokes a cigarette as he takes a break following the injury of his friend in the Salaheddin neighborhood of Aleppo on October 9.
An opposition fighter from the Al-Ikhlas brigade guards a post in Deir Ezzor, Syria, on Wednesday, October 9.
Smoke rises after a mortar shell hit a residential area during fighting between Syrian government forces and rebels in Maaret al-Numan, Syria, on October, 9.
Rebel fighters cover a car in mud for camouflage at an undisclosed location in Syria's northwestern province of Idlib on Tuesday, October 8.
Masked female rebel fighters walk alongside their trainer on a street in the Salaheddin district of Aleppo, Syria, on October 8.
A rebel fighter prays moments before heading into battle in Maaret al-Numan, Syria, on Monday, October 7.
A mother comforts her baby in an area where she and her family have taken shelter after fleeing their village turned battlefield in Syria's Idlib province on Sunday, September 22.
A man checks an AK-47 at his gun shop in Aleppo, Syria, on Saturday, September 21.
Free Syrian Army fighters take cover moments after firing a rocket toward government forces in the Idlib province of northern Syria on Friday, September 20.
Free Syrian Army fighters take cover during clashes with government forces in Idlib province on September 20.
Rebel fighters inspect a stairwell amid fighting against Syrian government forces on Thursday, September 19, in the Saif al-Dawla district of Aleppo, Syria.
A Syrian child sits in a village in the Idlib province countryside on Septeptember 19.
Opposition fighters react after returning from the battlefield in the Idlib province countryside on September 19.
Smoke rises after a bomb was thrown from a helicopter, hitting a rebel position during heavy fighting between troops loyal to Syrian President Bashar al-Assad and opposition fighters in the Idlib province on September 19.
A Syrian opposition fighter watches as heavy fighting erupts in the neighboring village of Kafr Nabuda in the Idlib province on September 19.
Rebel fighters aim their weapons during fighting against Syrian government forces on September 19 in the Saif al-Dawla district of Aleppo.
Rebel fighters duck behind a barricade from firing in Aleppo on Wednesday, September 18.
AFP reporter Sammy Ketz hits the ground as a Syrian soldier runs past during sniper fire in Maalula on September 18. Ketz and a photographer were reporting on the ancient Christian Syrian town northeast of Damascus.
A Syrian opposition fighter takes a break on a mountain near a rebel camp in Idlib province on September 18.
A Free Syrian Army fighter rests inside a cave at a rebel camp in Idlib province on Tuesday, September 17.
Rebels gather on a square in Damascus' Shebaa district on September 17.
Volunteers wear protective gear to show a class how to respond to a chemical attack in Aleppo, Syria, on September 15. For two months, Mohammad Zayed, an Aleppo University student, has been training a group of 26 civilians to respond to a chemical attack.
Syria's pro-Assad militia rest near Maalula, Syria, on Friday, September 13.
Pro-Assad soldiers leave a checkpoint that they control in Maalula, Syria, on September 13.
Syrian soldiers take aim at rebel fighters positioned in the mountains of the Christian town of Maalula on September 13.
Rebels parade at a former military academy north of Aleppo during a September 13 ceremony to mark an agreement to unite two rebel brigade forces.
A fighter of the Popular Front for the Liberation of Palestine General Command squats next to the covered body of an alleged foreign rebel fighter in the Yarmouk refugee camp in the Syrian capital of Damascus on Thursday, September 12.
An opposition fighter runs in front of a sniper curtain in the industrial area of Deir Ezzor, Syria, during clashes with regime forces on September 12.
A sheet hangs across an alley way to shield fighters from sniper fire as a fighter of the Popular Front for the Liberation of Palestine General Command walks past destroyed buildings in the Yarmouk refugee camp in Damascus, Syria, on September 12.
A Syrian pro-government soldier aims his rifle as he patrols the streets of the Christian town of Maalula on Wednesday, September 11.
A Free Syrian Army fighter stands guard inside a damaged house in Aleppo's Qastal al-Harami neighborhood on September 11.
Free Syrian Army fighters climb a flight of stairs to take positions near the Hanano barracks on September 11.
A Syrian government tank is seen during clashes with Free Syrian Army fighters in Maaloula, Syria, on September 11.
A funeral is held on September 11 for three Christian Syrians killed during battles with an al Qaeda-linked rebel group that took control of the historic Christian town of Maaloula from regime forces during the weekend.
A man walks through a destroyed residential area of Saraqib, Syria, on Monday, September 9, following repeated airstrikes by government forces.
A soldier wears a picture of Syrian President Bashar al-Assad on his chest while at a market in old Damascus on September 8.
A Free Syrian Army fighter prays in a trench in the Damascus suburbs on September 8.
A Free Syrian Army fighter takes up a shooting position in Aleppo on September 8.
A Free Syrian Army fighter runs for cover in Raqqa province on September 8.
Buildings are heavily damaged in the Salah al-Din area of Aleppo on September 8.
A boy named Issa, 10, carries a mortar shell in a weapons factory of the Free Syrian Army in Aleppo on Saturday, September 7. The boy works with his father in the factory.
Issa fixes a mortar launcher in the Aleppo weapons factory on September 7.
A bedroom lies in ruins after clashes between government forces and rebels around Ariha on September 7.
Rebels prepare explosive devices for fighting with government forces on September 7 in Deir Ezzor.
Syrian forces are seen in the Syrian Christian town of Maaloula on September 7.
A Syrian soldier prepares large-caliber bullets for a machine gun in Maaloula on September 7.
A man stands inside a home damaged by heavy shelling in Arbeen, a suburb of Damascus, Syria, on September 7.
Men gather on the remains of a destroyed building after reported airstrikes by Syrian government forces in the rebel-held northwestern Syrian province of Idlib on Thursday, September 5.
Men observe the wreckage of a motorbike in the Syrian province of Idlib on September 5. The Syrian Observatory for Human Rights watchdog said that Syrian war planes bombed rebel-held areas in Idlib, Aleppo, Hama and Lattakia.
A Free Syrian Army fighter looks through a hole from behind sandbags, while a fellow fighter reads the Quran in Deir Ezzor, Syria, on Tuesday, September 3. The United States and other Western nations blame the Assad regime for a chemical weapons attack that's believed to have killed more than 1,400 people.
A Free Syrian Army fighter takes cover as he watches forces loyal to President Bashar al-Assad near Hanano barracks in Aleppo on September 3.
A Free Syrian Army fighter is seen through a hole in a wall of a building in Aleppo on September 3.
Free Syrian Army fighters walk inside a damaged house in Aleppo on September 3.
A Free Syrian Army fighter walks through a hole in a wall in Aleppo on September 3.
Free Syrian Army fighters talk inside a burnt house in Aleppo on September 3.
A Free Syrian Army fighter peeks through the curtains of a bedroom in Deir ez-Zor, Syria, on Monday, September 2.
Free Syrian Army fighters take their positions behind piled sandbags, as one of them points his weapon, in Deir ez-Zor on September 2.
A rebel fighter points his weapon at Syrian regime forces in Deir ez-Zor on September 2.
Syrian firefighters try to extinguish a fire after a missile hit a residential building in Damascus, Syria, on September 2.
A U.N. arms expert collects samples during an inspection of a suspected chemical weapons strike site in the Ghouta area outside Damascus on August 29.
People search for belongings in rubble in Raqqa, Syria, on August 29.
Free Syrian Army fighters launch a rocket toward forces loyal to Syrian President Bashar al-Assad in Deir Ezzor on August 29.
A Syrian Kurd uses hay to hide another woman in a training session organized by the Kurdish Women's Defense Units on Wednesday, August 28, in a northern Syrian border village. They're preparing if the area comes under attack.
Free Syrian Army fighters escort U.N. vehicles with chemical weapons experts on August 28 through a site of a suspected chemical weapons attack outside Damascus.
A Free Syrian Army fighter takes position behind sandbags in the old city of Aleppo, Syria, on Tuesday, August 27.
A U.N. team leaves its Damascus, Syria, hotel in a convoy on Monday, August 26. The team was to investigate an alleged chemical attack that killed hundreds last week in a suburb of the Syrian capital. Sniper fire hit a vehicle used by the U.N. chemical weapons investigation team multiple times Monday, according to the United Nations.
A Syrian soldier walks down a street in Damascus on Saturday, August 24.
Pigeons lie dead on the ground on August 24 from after what activists say is the use of chemical weapons by government forces in the Damascus suburb of Arbeen.
Columns of smoke rise in Barzeh after heavy shelling on Friday, August 23.
A young Free Syrian Army fighter is reflected in a mirror as he takes position in a house in Aleppo on Thursday, August 22.
Rebels move around a building in Aleppo on August 22.
Syrian rebels claim pro-government forces used chemical weapons to kill citizens outside Damascus on Wednesday, August 21. People inspect bodies in this photo released by the Syrian opposition Shaam News Network.
People search the rubble of a bombed building in Aleppo, Syria, on Friday, August 16.
Men bury the bodies of six members of the same family killed in a bombing in Raqqa on Saturday, August 10.
Syrian Army soldiers patrol a devastated street in Homs on Wednesday, July 31.
Free Syrian Army fighters move through a hole in a wall in Khan al-Assal on Monday, July 22, after seizing the town.
A rebel fighter walks past swings in a deserted playground in Deir al-Zor, Syria, on Sunday, July 21.
A rebel fighter speaks with a fellow fighter through a hole in a wall in Deir al-Zor on July 21.
A Free Syrian Army fighter casts a shadow on a wall as he carries his weapon in a shelter in Deir al-Zor on Thursday, July 18.
Yahya Sweed, 13, is comforted by his father as he lies on a bed in Kfar Nubul on Tuesday, July 16. The boy was injured by shrapnel, resulting in the amputation of his right leg.
A rebel fighter naps in a trench about 300 feet from the Syrian government forces' positions along the highway connecting Idlib with Latakia on Monday, July 15.
A rebel fighter uses a hole in the wall of a destroyed school to aim at Syrian government forces in the Izaa district of Aleppo on Sunday, July 14.
A Free Syrian Army fighter uses a mirror to scope out snipers loyal to Syrian President Bashar al-Assad in Aleppo on Friday, July 12.
A Free Syrian Army fighter stands over a boy who was injured during shelling in Al-Bara on Monday, July 8.
Members of the Free Syrian Army fire a homemade rocket toward regime forces in Deir al-Zor on Sunday, June 16.
Syrian rebels leave their position in the northwestern town of Maaret al-Numan on Thursday, June 13. The White House said that the Syrian government has crossed a "red line" with its use of chemical weapons and announced it would start arming the rebels.
Forces loyal to Syrian President Bashar al-Assad are seen near Qusayr on Thursday, May 30.
Syrian rebels take position in a house during clashes with regime forces in the old city of Aleppo on May 22.
Syrian army soldiers take control of the village of Western Dumayna north of the rebel-held city of Qusayr on Monday, May 13. Syrian troops captured three villages in Homs province, allowing them to cut supply lines to rebels inside Qusayr town, a military officer told AFP.
Rebel fighters fire at government forces in the northern Syrian city of Aleppo on Sunday, May 12.
Searchers use a flashlight as they look for survivors among the rubble created by what activists say was a missile attack from the Syrian regime, in Raqqa province, Syria, on April 25.
A Kurdish fighter from the "Popular Protection Units" (YPG) takes position inside a building in the majority-Kurdish Sheikh Maqsood area of Aleppo, on Apri. 21.
People walk past destroyed houses in the northern Syrian town of Azaz on Sunday, April 21.
Free Syrian Army fighters take positions prior to an offensive against government forces in the Khan al-Assal area, near Aleppo on Saturday, April 20.
Men inspect damage at a house destroyed in an airstrike in Aleppo on April 15.
Syrian and Kurdish rebel fighters walk in the Sheikh Maqsud district of Aleppo on April 14.
A female rebel monitors the movement of Syrian government forces in Aleppo's Sheikh Maqsud neighborhood on Thursday, April 11.
A rebel runs to avoid sniper fire from Syrian government forces in Aleppo on April 11.
Syrian rebels observe the movement of Syrian government forces around Al-Kendi hospital in Aleppo on Wednesday, April 10.
Rescue teams and security forces check out the scene of a deadly car bomb explosion in Damascus on April 8.
The fighting has taken a toll on buildings in Aleppo's Saladin district, seen here on April 8.
A Syrian rebel runs for cover in Deir ez-Zor on April 2.
A rebel checks for snipers across the street toward the Citadel in Aleppo, Syria, on Saturday, March 30, in this photo taken by iReporter Lee Harper.
A Free Syrian fighter mourns the death of a friend in Aleppo on March 30, in this photo taken by iReporter Lee Harper.
A Syrian opposition fighter runs for cover from Syrian army snipers in Aleppo on Wednesday, March 27.
A Syrian girl covers her face to protect herself from fumes as a street covered with uncollected garbage is fumigated in Aleppo on Sunday, March 24.
A Syrian man and his family drive past damaged buildings in Maarat al-Numan, on Wednesday, March 20.
Syrians carry the body of a Syrian army soldier during a funeral ceremony in Idlib province on Tuesday, March 19.
Syrian rebels take position in Aleppo, the largest city in the country, on March 11.
Syrian men search for their relatives amongst the bodies of civilians executed and dumped in the Quweiq River on March 11.
A Free Syrian Army fighter looks back as smoke rises during fighting between rebel fighters and forces loyal to Syria's President Bashar al-Assad on the outskirts of Aleppo on Saturday, March 2.
Residents read Shaam News newspapers published by the Free Syrian Army in Aleppo on March 2.
A member of the Free Syrian Army reacts to the death of a comrade who was killed in fighting, at Bustan al Qasr cemetery in Aleppo on Friday, March 1.
A rebel fighter throws a home-made grenade at Syrian government forces in Aleppo on February 16.
A member of the Free Syrian Army stands with his weapon as he looks at a rainbow in Aleppo on February 16.
A Syrian woman looks through a bus window in Aleppo on February 14.
Free Syrian Army fighters walk through a dust-filled stairwell in Damascus on February 7.
A Syrian rebel gestures at comrades from inside a broken armored personnel carrier in Al-Yaqubia on February 6.
A rebel fighter throws a hand grenade inside a Syrian Army base in Damascus on February 3.
People stand in the dust of a building destroyed in an airstrike in Aleppo, Syria on February 3.
Free Syrian Army fighters run as they enter a Syrian Army base during heavy fighting in the Arabeen neighborhood of Damascus on February 3.
An unexploded mortar shell fired by the Syrian Army sits lodged in the ground in Damascus on January 25.
Fighters from Fateh al Sham unit of the Free Syrian Army fire on Syrian Army soldiers at a check point in Damascus on January 20.
A Free Syrian Army fighter walks between buildings damaged during Syrian Air Force strikes in Damascus on January 19.
A Syrian rebel fighter tries to locate a government jet fighter in Aleppo on January 18.
Syrian rebels launch a missile near the Abu Baker brigade in Albab on January 16.
A Syrian boy walks near rubbish next to tents at a refugee camp near the northern city of Azaz on the Syria-Turkey border, on January 8.
Syrians look for survivors amid the rubble of a building targeted by a missile in Aleppo on January 7.
A father reacts after hearing of a shelling by forces loyal to Syria's President Bashar al-Assad in Aleppo on January 3.
A patient smokes a cigarette at Dar Al-Ajaza psychiatric hospital in Aleppo on December 18, 2012. The psychiatric ward, housing around 60 patients, has lacked the means to function properly since fighting broke out there in July.
Syrians mourn a fallen rebel fighter at a rebel base in the al-Fardos area of Aleppo on December 8, 2012.
Members of Liwa (Brigade) Salahadin, a Kurdish military unit fighting alongside rebel fighters, monitor the area in the besieged district of Karmel al-Jabl in Aleppo on December 6, 2012.
A member of Liwa Salahadin aims at a regime fighter in the besieged district of Karmel al-Jabl in Aleppo on December 6, 2012.
Two young boys sit underneath a washline in a refugee camp on the border between Syria and Turkey near Azaz on December 5, 2012.
The bodies of three children, who were allegedly killed in a mortar shell attack that landed close to a bakery in Aleppo, on December 2, 2012, are laid out for identification by family members at a makeshift hospital at an undisclosed location of the city.
Smoke rises in the Hanano and Bustan al-Basha districts in Aleppo on December 1, 2012 as fighting continues through the night.
The United States will provide an additional $380 million in humanitarian assistance to help those affected by the war in Syria, Secretary of State John Kerry announced Wednesday.
A woman carries children following airstrikes on a rebel area of Aleppo on Sunday, December 15.
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.
Syrians help a wounded woman following airstrikes in Aleppo on December 15.
Syrians look at the aftermath of an airstrike on a rebel area of Aleppo on December 15.
Syrian rebel fighters clash with pro-government forces in Aleppo on Wednesday, December 11.
A woman weeps inside a damaged vehicle after forces loyal to President Bashar al-Assad captured the town of Nabak on Monday, December 9.
Rebel fighters in Aleppo fortify a barricade with destroyed public buses on Wednesday, December 4.
A rebel fighter takes position during fighting with government forces in Deir Ezzor on Monday, December 2.
Shiite fighters from a group called the Hussein Brigade search for rebels from the Free Syrian Army in Hejeira on Thursday, November 21.
Free Syrian Army rebels battle government forces in Aleppo, Syria, on Monday, November 18.
A rebel fighter fires his weapon as he stands amid rubble and debris during clashes with Syrian government forces in Deir Ezzor, Syria, on Monday, November 11.
A rebel fighter prepares an improvised mortar shell in Aleppo, Syria, on Saturday, November 9.
Two injured men are transported on a cart in Aleppo, Syria, following shelling as fighting between pro-government forces and rebels continues on Saturday, October 26.
Rebel fighters hold a position in Deir Ezzor, Syria, on Thursday, October 24.
An opposition fighter stands in the doorway of a building as he smokes a cigarette in Deir Ezzor, Syria, on Tuesday, October 22.
People use buckets as they try to extinguish a fire that ignited at a fuel station in Aleppo, Syria, on Sunday, October 20.
A Syrian opposition fighter aims a catapult toward regime forces in Aleppo, Syria, on Thursday, October 17.
An opposition fighter rests on the front lines in the northeastern Syria city of Deir Ezzor on Tuesday, October 15.
Firefighters extinguish a burning vehicle after two mortar rounds struck the Abu Roumaneh area in Damascus, Syria, on Saturday, October 12.
An opposition fighter aims as others run for cover while they hold a position behind burning tires in the Salaheddin district of the northern Syrian city of Aleppo on Wednesday, October 9.
An opposition fighter smokes a cigarette as he takes a break following the injury of his friend in the Salaheddin neighborhood of Aleppo on October 9.
An opposition fighter from the Al-Ikhlas brigade guards a post in Deir Ezzor, Syria, on Wednesday, October 9.
Smoke rises after a mortar shell hit a residential area during fighting between Syrian government forces and rebels in Maaret al-Numan, Syria, on October, 9.
Rebel fighters cover a car in mud for camouflage at an undisclosed location in Syria's northwestern province of Idlib on Tuesday, October 8.
Masked female rebel fighters walk alongside their trainer on a street in the Salaheddin district of Aleppo, Syria, on October 8.
A rebel fighter prays moments before heading into battle in Maaret al-Numan, Syria, on Monday, October 7.
A mother comforts her baby in an area where she and her family have taken shelter after fleeing their village turned battlefield in Syria's Idlib province on Sunday, September 22.
A man checks an AK-47 at his gun shop in Aleppo, Syria, on Saturday, September 21.
Free Syrian Army fighters take cover moments after firing a rocket toward government forces in the Idlib province of northern Syria on Friday, September 20.
Free Syrian Army fighters take cover during clashes with government forces in Idlib province on September 20.
Rebel fighters inspect a stairwell amid fighting against Syrian government forces on Thursday, September 19, in the Saif al-Dawla district of Aleppo, Syria.
A Syrian child sits in a village in the Idlib province countryside on Septeptember 19.
Opposition fighters react after returning from the battlefield in the Idlib province countryside on September 19.
Smoke rises after a bomb was thrown from a helicopter, hitting a rebel position during heavy fighting between troops loyal to Syrian President Bashar al-Assad and opposition fighters in the Idlib province on September 19.
A Syrian opposition fighter watches as heavy fighting erupts in the neighboring village of Kafr Nabuda in the Idlib province on September 19.
Rebel fighters aim their weapons during fighting against Syrian government forces on September 19 in the Saif al-Dawla district of Aleppo.
Rebel fighters duck behind a barricade from firing in Aleppo on Wednesday, September 18.
AFP reporter Sammy Ketz hits the ground as a Syrian soldier runs past during sniper fire in Maalula on September 18. Ketz and a photographer were reporting on the ancient Christian Syrian town northeast of Damascus.
A Syrian opposition fighter takes a break on a mountain near a rebel camp in Idlib province on September 18.
A Free Syrian Army fighter rests inside a cave at a rebel camp in Idlib province on Tuesday, September 17.
Rebels gather on a square in Damascus' Shebaa district on September 17.
Volunteers wear protective gear to show a class how to respond to a chemical attack in Aleppo, Syria, on September 15. For two months, Mohammad Zayed, an Aleppo University student, has been training a group of 26 civilians to respond to a chemical attack.
Syria's pro-Assad militia rest near Maalula, Syria, on Friday, September 13.
Pro-Assad soldiers leave a checkpoint that they control in Maalula, Syria, on September 13.
Syrian soldiers take aim at rebel fighters positioned in the mountains of the Christian town of Maalula on September 13.
Rebels parade at a former military academy north of Aleppo during a September 13 ceremony to mark an agreement to unite two rebel brigade forces.
A fighter of the Popular Front for the Liberation of Palestine General Command squats next to the covered body of an alleged foreign rebel fighter in the Yarmouk refugee camp in the Syrian capital of Damascus on Thursday, September 12.
An opposition fighter runs in front of a sniper curtain in the industrial area of Deir Ezzor, Syria, during clashes with regime forces on September 12.
A sheet hangs across an alley way to shield fighters from sniper fire as a fighter of the Popular Front for the Liberation of Palestine General Command walks past destroyed buildings in the Yarmouk refugee camp in Damascus, Syria, on September 12.
A Syrian pro-government soldier aims his rifle as he patrols the streets of the Christian town of Maalula on Wednesday, September 11.
A Free Syrian Army fighter stands guard inside a damaged house in Aleppo's Qastal al-Harami neighborhood on September 11.
Free Syrian Army fighters climb a flight of stairs to take positions near the Hanano barracks on September 11.
A Syrian government tank is seen during clashes with Free Syrian Army fighters in Maaloula, Syria, on September 11.
A funeral is held on September 11 for three Christian Syrians killed during battles with an al Qaeda-linked rebel group that took control of the historic Christian town of Maaloula from regime forces during the weekend.
A man walks through a destroyed residential area of Saraqib, Syria, on Monday, September 9, following repeated airstrikes by government forces.
A soldier wears a picture of Syrian President Bashar al-Assad on his chest while at a market in old Damascus on September 8.
A Free Syrian Army fighter prays in a trench in the Damascus suburbs on September 8.
A Free Syrian Army fighter takes up a shooting position in Aleppo on September 8.
A Free Syrian Army fighter runs for cover in Raqqa province on September 8.
Buildings are heavily damaged in the Salah al-Din area of Aleppo on September 8.
Issa fixes a mortar launcher in the Aleppo weapons factory on September 7.
A bedroom lies in ruins after clashes between government forces and rebels around Ariha on September 7.
Rebels prepare explosive devices for fighting with government forces on September 7 in Deir Ezzor.
Syrian forces are seen in the Syrian Christian town of Maaloula on September 7.
A Syrian soldier prepares large-caliber bullets for a machine gun in Maaloula on September 7.
A man stands inside a home damaged by heavy shelling in Arbeen, a suburb of Damascus, Syria, on September 7.
Men gather on the remains of a destroyed building after reported airstrikes by Syrian government forces in the rebel-held northwestern Syrian province of Idlib on Thursday, September 5.
Men observe the wreckage of a motorbike in the Syrian province of Idlib on September 5. The Syrian Observatory for Human Rights watchdog said that Syrian war planes bombed rebel-held areas in Idlib, Aleppo, Hama and Lattakia.
A Free Syrian Army fighter looks through a hole from behind sandbags, while a fellow fighter reads the Quran in Deir Ezzor, Syria, on Tuesday, September 3. The United States and other Western nations blame the Assad regime for a chemical weapons attack that's believed to have killed more than 1,400 people.
A Free Syrian Army fighter takes cover as he watches forces loyal to President Bashar al-Assad near Hanano barracks in Aleppo on September 3.
A Free Syrian Army fighter is seen through a hole in a wall of a building in Aleppo on September 3.
Free Syrian Army fighters walk inside a damaged house in Aleppo on September 3.
A Free Syrian Army fighter walks through a hole in a wall in Aleppo on September 3.
Free Syrian Army fighters talk inside a burnt house in Aleppo on September 3.
A Free Syrian Army fighter peeks through the curtains of a bedroom in Deir ez-Zor, Syria, on Monday, September 2.
Free Syrian Army fighters take their positions behind piled sandbags, as one of them points his weapon, in Deir ez-Zor on September 2.
A rebel fighter points his weapon at Syrian regime forces in Deir ez-Zor on September 2.
Syrian firefighters try to extinguish a fire after a missile hit a residential building in Damascus, Syria, on September 2.
A U.N. arms expert collects samples during an inspection of a suspected chemical weapons strike site in the Ghouta area outside Damascus on August 29.
People search for belongings in rubble in Raqqa, Syria, on August 29.
Free Syrian Army fighters launch a rocket toward forces loyal to Syrian President Bashar al-Assad in Deir Ezzor on August 29.
A Syrian Kurd uses hay to hide another woman in a training session organized by the Kurdish Women's Defense Units on Wednesday, August 28, in a northern Syrian border village. They're preparing if the area comes under attack.
Free Syrian Army fighters escort U.N. vehicles with chemical weapons experts on August 28 through a site of a suspected chemical weapons attack outside Damascus.
A Free Syrian Army fighter takes position behind sandbags in the old city of Aleppo, Syria, on Tuesday, August 27.
A U.N. team leaves its Damascus, Syria, hotel in a convoy on Monday, August 26. The team was to investigate an alleged chemical attack that killed hundreds last week in a suburb of the Syrian capital. Sniper fire hit a vehicle used by the U.N. chemical weapons investigation team multiple times Monday, according to the United Nations.
A Syrian soldier walks down a street in Damascus on Saturday, August 24.
Pigeons lie dead on the ground on August 24 from after what activists say is the use of chemical weapons by government forces in the Damascus suburb of Arbeen.
Columns of smoke rise in Barzeh after heavy shelling on Friday, August 23.
A young Free Syrian Army fighter is reflected in a mirror as he takes position in a house in Aleppo on Thursday, August 22.
Rebels move around a building in Aleppo on August 22.
Syrian rebels claim pro-government forces used chemical weapons to kill citizens outside Damascus on Wednesday, August 21. People inspect bodies in this photo released by the Syrian opposition Shaam News Network.
People search the rubble of a bombed building in Aleppo, Syria, on Friday, August 16.
Men bury the bodies of six members of the same family killed in a bombing in Raqqa on Saturday, August 10.
Syrian Army soldiers patrol a devastated street in Homs on Wednesday, July 31.
Free Syrian Army fighters move through a hole in a wall in Khan al-Assal on Monday, July 22, after seizing the town.
A rebel fighter walks past swings in a deserted playground in Deir al-Zor, Syria, on Sunday, July 21.
A rebel fighter speaks with a fellow fighter through a hole in a wall in Deir al-Zor on July 21.
A Free Syrian Army fighter casts a shadow on a wall as he carries his weapon in a shelter in Deir al-Zor on Thursday, July 18.
Yahya Sweed, 13, is comforted by his father as he lies on a bed in Kfar Nubul on Tuesday, July 16. The boy was injured by shrapnel, resulting in the amputation of his right leg.
A rebel fighter naps in a trench about 300 feet from the Syrian government forces' positions along the highway connecting Idlib with Latakia on Monday, July 15.
A rebel fighter uses a hole in the wall of a destroyed school to aim at Syrian government forces in the Izaa district of Aleppo on Sunday, July 14.
A Free Syrian Army fighter uses a mirror to scope out snipers loyal to Syrian President Bashar al-Assad in Aleppo on Friday, July 12.
A Free Syrian Army fighter stands over a boy who was injured during shelling in Al-Bara on Monday, July 8.
Members of the Free Syrian Army fire a homemade rocket toward regime forces in Deir al-Zor on Sunday, June 16.
Syrian rebels leave their position in the northwestern town of Maaret al-Numan on Thursday, June 13. The White House said that 
Forces loyal to Syrian President Bashar al-Assad are seen near Qusayr on Thursday, May 30.
Syrian rebels take position in a house during clashes with regime forces in the old city of Aleppo on May 22.
Syrian army soldiers take control of the village of Western Dumayna north of the rebel-held city of Qusayr on Monday, May 13. Syrian troops captured three villages in Homs province, allowing them to cut supply lines to rebels inside Qusayr town, a military officer told AFP.
Rebel fighters fire at government forces in the northern Syrian city of Aleppo on Sunday, May 12.
Searchers use a flashlight as they look for survivors among the rubble created by what activists say was a missile attack from the Syrian regime, in Raqqa province, Syria, on April 25.
A Kurdish fighter from the "Popular Protection Units" (YPG) takes position inside a building in the majority-Kurdish Sheikh Maqsood area of Aleppo, on Apri. 21.
People walk past destroyed houses in the northern Syrian town of Azaz on Sunday, April 21.
Free Syrian Army fighters take positions prior to an offensive against government forces in the Khan al-Assal area, near Aleppo on Saturday, April 20.
Men inspect damage at a house destroyed in an airstrike in Aleppo on April 15.
Syrian and Kurdish rebel fighters walk in the Sheikh Maqsud district of Aleppo on April 14.
A female rebel monitors the movement of Syrian government forces in Aleppo's Sheikh Maqsud neighborhood on Thursday, April 11.
A rebel runs to avoid sniper fire from Syrian government forces in Aleppo on April 11.
Syrian rebels observe the movement of Syrian government forces around Al-Kendi hospital in Aleppo on Wednesday, April 10.
Rescue teams and security forces check out the scene of a deadly car bomb explosion in Damascus on April 8.
The fighting has taken a toll on buildings in Aleppo's Saladin district, seen here on April 8.
A Syrian rebel runs for cover in Deir ez-Zor on April 2.
A rebel checks for snipers across the street toward the Citadel in Aleppo, Syria, on Saturday, March 30, in this photo taken by iReporter Lee Harper.
A Free Syrian fighter mourns the death of a friend in Aleppo on March 30, in this photo taken by iReporter Lee Harper.
A Syrian opposition fighter runs for cover from Syrian army snipers in Aleppo on Wednesday, March 27.
A Syrian girl covers her face to protect herself from fumes as a street covered with uncollected garbage is fumigated in Aleppo on Sunday, March 24.
A Syrian man and his family drive past damaged buildings in Maarat al-Numan, on Wednesday, March 20.
Syrians carry the body of a Syrian army soldier during a funeral ceremony in Idlib province on Tuesday, March 19.
Syrian rebels take position in Aleppo, the largest city in the country, on March 11.
Syrian men search for their relatives amongst the bodies of civilians executed and dumped in the Quweiq River on March 11.
A Free Syrian Army fighter looks back as smoke rises during fighting between rebel fighters and forces loyal to Syria's President Bashar al-Assad on the outskirts of Aleppo on Saturday, March 2.
Residents read Shaam News newspapers published by the Free Syrian Army in Aleppo on March 2.
A member of the Free Syrian Army reacts to the death of a comrade who was killed in fighting, at Bustan al Qasr cemetery in Aleppo on Friday, March 1.
A rebel fighter throws a home-made grenade at Syrian government forces in Aleppo on February 16.
A member of the Free Syrian Army stands with his weapon as he looks at a rainbow in Aleppo on February 16.
A Syrian woman looks through a bus window in Aleppo on February 14.
Free Syrian Army fighters walk through a dust-filled stairwell in Damascus on February 7.
A Syrian rebel gestures at comrades from inside a broken armored personnel carrier in Al-Yaqubia on February 6.
A rebel fighter throws a hand grenade inside a Syrian Army base in Damascus on February 3.
People stand in the dust of a building destroyed in an airstrike in Aleppo, Syria on February 3.
Free Syrian Army fighters run as they enter a Syrian Army base during heavy fighting in the Arabeen neighborhood of Damascus on February 3.
An unexploded mortar shell fired by the Syrian Army sits lodged in the ground in Damascus on January 25.
Fighters from Fateh al Sham unit of the Free Syrian Army fire on Syrian Army soldiers at a check point in Damascus on January 20.
A Free Syrian Army fighter walks between buildings damaged during Syrian Air Force strikes in Damascus on January 19.
A Syrian rebel fighter tries to locate a government jet fighter in Aleppo on January 18.
Syrian rebels launch a missile near the Abu Baker brigade in Albab on January 16.
A Syrian boy walks near rubbish next to tents at a refugee camp near the northern city of Azaz on the Syria-Turkey border, on January 8.
Syrians look for survivors amid the rubble of a building targeted by a missile in Aleppo on January 7.
A father reacts after hearing of a shelling by forces loyal to Syria's President Bashar al-Assad in Aleppo on January 3.
A patient smokes a cigarette at Dar Al-Ajaza psychiatric hospital in Aleppo on December 18, 2012. The psychiatric ward, housing around 60 patients, has lacked the means to function properly since fighting broke out there in July.
Syrians mourn a fallen rebel fighter at a rebel base in the al-Fardos area of Aleppo on December 8, 2012.
Members of Liwa (Brigade) Salahadin, a Kurdish military unit fighting alongside rebel fighters, monitor the area in the besieged district of Karmel al-Jabl in Aleppo on December 6, 2012.
A member of Liwa Salahadin aims at a regime fighter in the besieged district of Karmel al-Jabl in Aleppo on December 6, 2012.
Two young boys sit underneath a washline in a refugee camp on the border between Syria and Turkey near Azaz on December 5, 2012.
The bodies of three children, who were allegedly killed in a mortar shell attack that landed close to a bakery in Aleppo, on December 2, 2012, are laid out for identification by family members at a makeshift hospital at an undisclosed location of the city.
Smoke rises in the Hanano and Bustan al-Basha districts in Aleppo on December 1, 2012 as fighting continues through the night.
The United States will provide an additional $380 million in humanitarian assistance to help those affected by the war in Syria, Secretary of State John Kerry announced Wednesday.
"The humanitarian situation in Syria is an outrage that should offend every reasonable conscience, and the anguish of the Syrian people demands our collective action," Kerry said at a donors' conference in Kuwait.
"The Syrian people desperately need the global community to provide urgent humanitarian support, to press for a political solution that will put a stop to the violence, once and for all."
Kerry said the latest pledge brings the total American commitment to $1.7 billion.
The money will fund relief for people inside Syria, as well as refugees and host communities in neighboring countries.
Nations taking part in Wednesday's conference pledged more than a $1.37 billion.
Here's the breakdown:
Kuwait, $500 million
United States, $380 million
Saudi Arabia, $260 million
United Kingdom, $164 million
Qatar, $60 million
Iraq, $13 million
Finland, $7 million.
