Assad

TOPSHOTS A man is comforted by a rescue ...TOPSHOTS A man is comforted by a rescue worker and others following a reported air strike by government forces in which a fellow rescue worker was killed on March 8, 2014 in the northern city of Aleppo. More than 140,000 people have been killed in Syria since the start of a March 2011 uprising against the Assad family's 40-year rule. AFP PHOTO / AMC / FADI AL-HALABIFadi al-Halabi/AFP/Getty Images

Fadi Al-Halabi/AFP

A man is comforted by a rescue worker and others following a reported air strike by government forces in which a fellow rescue worker was killed on Tuesday in the northern city of Aleppo. More than 140,000 people have been killed in Syria since the start of a March 2011 uprising against the Assad family’s 40-year rule Read more

Residents receive food aid at the besieged al-Yarmouk camp, south of Damascus, March 18, 2014, in this handout released by Syria's national news agency SANA. REUTERS/SANA/Handout via Reuters

Sana/Reuters

Residents receive food aid at the besieged al-Yarmouk camp, south of Damascus in this handout released by Syria‘s national news agency SANA. Read more

A Syrian man evacuates a child found in ...A Syrian man evacuates a child found in the rubble of a building reportedly hit by an explosives-filled barrel dropped by a government forces helicopter on March 18, 2014 in Aleppo. Iran's foreign minister that Tehran is "ready to help any logical attempts" to end the Syrian conflict, during a visit by UN-Arab League envoy to Syria Lakhdar Brahimi. AFP PHOTO/KHALED KHATIBKHALED KHATIB/AFP/Getty Images

Khaled Khatib/AFP

A Syrian man evacuates a child found in the rubble of a building reportedly hit by an explosives-filled barrel dropped by a government forces helicopter in Aleppo. Iran’s foreign minister that Tehran is “ready to help any logical attempts” to end the Syrian conflict, during a visit by UN-Arab League envoy to Syria Lakhdar Brahimi.

Syrian emergency personnel extinguish a ...Syrian emergency personnel extinguish a fire following a reported air strike by Syrian government forces on March 7, 2014 during the Friday prayer in the Sukkari neighborhood of the northern city of Aleppo. More than 140,000 people have been killed in Syria since the start of a March 2011 uprising against the Assad family's 40-year rule. AFP PHOTO / BARAA AL-HALABI BARAA AL-HALABI/AFP/Getty Images

Baraa Al-Halabi/AFP

An emergency worker attempts to extinguish a fire following a reported air strike by Syrian government forces on Friday during prayers in the Sukkari neighbourhood of the northern city of Aleppo. More than 140,000 people have been killed in Syria since the start of the March 2011 uprising against the Assad family’s 40-year rule. Read more

Free Syrian Army fighters prepare mortar shells before launching them towards forces loyal to Syria's President Bashar al-Assad in Aleppo...Free Syrian Army fighters prepare mortar shells before launching them towards forces loyal to Syria's President Bashar al-Assad in Aleppo February 5, 2014. Picture taken February 5, 2014. REUTERS/Abdalrhman Ismail

Abdalrhman Ismail/Reuters

Free Syrian Army fighters prepare mortar shells before launching them towards forces loyal to Syria’s President Bashar al-Assad in Aleppo Read more

A Syrian girl attends classes at a make-...A Syrian girl attends classes at a make-shift school in the largest Bulgarian camp in the town of Harmanli on January 21, 2014. Tonnes of humanitarian aid -- including clothes, food and hygiene materials -- has started trickling in from non-governmental groups in the country and abroad to the camps in EU's poorest country after the UN raised alarm over a "human emergency" on the EU's southern fringe.     AFP PHOTO / DIMITAR DILKOFFDIMITAR DILKOFF/AFP/Getty Images

Dimitar Dilkoff/AFP

A Syrian girl attends classes at a makeshift school in the largest Bulgarian camp in the southern town of Harmanli. Humanitarian aid, including clothes, food and hygiene materials, has started trickling in from non-governmental groups in the country and abroad to the camps in the EU’s poorest country after the UN expressed alarm over a ‘human emergency’ on the EU’s southern fringe. Read more

Ahmet Uzumcu, director general of the Or...Ahmet Uzumcu, director general of the Organisation for the Prohibition of Chemical Weapons (OPCW), holds a press conference in Rome on January 16, 2014. Uzumcu voiced concern about reports from the Syrian government of attacks on two chemical facilities but said they could not be independently verified. A United Nations-backed plan to destroy Syria's 1,290-tonne declared chemical weapons arsenal has been delayed by the fighting raging across the country. Uzumcu said that talks were ongoing for "temporary truces" to allow the safe passage of chemical arms convoys to the Syrian port of Latakia for loading. AFP PHOTO / Filippo MONTEFORTEFILIPPO MONTEFORTE/AFP/Get

Filippo Monteforte/AFP

Ahmet Uzümcü, director-general of the Organisation for the Prohibition of Chemical Weapons, holds a press conference in Rome. Mr Uzümcü voiced concern about reports from the Syrian government of attacks on two chemical facilities but said they could not be independently verified. A UN-backed plan to destroy Syria‘s 1,290-tonne declared chemical weapons arsenal has been delayed by the fighting raging across the country

A Free Syrian Army fighter stands inside a house holding his weapon in Deir al-Zor, eastern Syria...A Free Syrian Army fighter stands inside a house holding his weapon in Deir al-Zor, eastern Syria, October 3, 2013. Picture taken October 3, 2013.

Khalil Ashawi/Reuters

A fighter from the Free Syrian Army stands inside a rebel hideout in Deir al-Zor, eastern Syria.

In this Wednesday, Sept. 18, 2013 photo, Syrian students salute while listening to the national anthem before entering their classrooms in Hassan Shuaib School in Damascus, Syria. Facing extraordinary challenges, millions of Syrian children in government controlled areas returned to school this week to the backdrop of a raging civil war and an international debate over Syriaís chemical weapons stockpile.(AP Photo)

AP

Syrian students salute while listening to the national anthem before entering their classrooms in Hassan Shuaib School in Damascus, Syria. Facing extraordinary challenges, millions of Syrian children in government controlled areas returned to school this week to the backdrop of a raging civil war and an international debate over the country’s chemical weapons stockpile Read more

A member of the Shohadaa Badr Brigade, which operates under Free Syrian Army, sits on a bed in Ashrafieh, Aleppo...A member of the Shohadaa Badr Brigade, which operates under the Free Syrian Army, sits on a bed in Ashrafieh, Aleppo September 17, 2013. REUTERS/Muzaffar Salman

Muzaffar Salman/Reuters

A member of the Shohadaa Badr Brigade, which operates under the Free Syrian Army, sits on a bed in Ashrafieh in Aleppo, Syria