File photo of residents running to take cover as Free Syrian Army fighters take their position behind sandbags during clashes with forces loyal to Syria's President Bashar Al-Assad in Aleppo'

 
File photo of residents running to take cover as Free Syrian Army fighters take their position behind sandbags during clashes with forces loyal to Syria
Residents run to take cover as Free Syrian Army fighters take their position behind sandbags during clashes with forces loyal to Syria's President Bashar al-Assad in Aleppo's Bustan al-Qasr district in this December 30, 2012 file photo. REUTERS/Muzaffar Salman/Files