The Latest Images from Syria

Free Syrian Army fighters take their positions as they try to locate snipers loyal to Syria's President Bashar al-Assad in Bab al-Nasr district in the old city of Aleppo, August 20, 2013.

Free Syrian Army fighters sit at a checkpoint in the old city of Aleppo, August 20, 2013.

Syrian refugees cross into Iraq at the Peshkhabour border point in Dahuk, August 20, 2013.

Syrian refugees take a rest as they cross into Iraq at the Peshkhabour border point in Dahuk, August 20, 2013.

A Free Syrian Army fighter rides a motorcycle along a damaged street, Deir al-Zor, August 19, 2013.

A youth walks along a street filled with debris, as smoke rises after what activists said was a shelling by forces loyal to Syria's President Bashar al-Assad, Deir al-Zor, August 19, 2013.