TOPSHOT - A Syrian girl holds a placard during a rally in solidarity with Aleppo, in the Lebanese northern port city of Tripoli, on May 1, 2016.
More than a week of fighting in Syria's second city has killed hundreds of civilians and left a UN-backed peace process hanging by a thread. Concern has been growing that the fighting in Aleppo will lead to the complete collapse of a landmark ceasefire between President Bashar al-Assad's regime and non-jihadist rebels that was brokered by Moscow and Washington. / AFP / IBRAHIM CHALHOUB        (Photo credit should read IBRAHIM CHALHOUB/AFP/Getty Images)