ພາບຫລ້າສຸດ ຈາກຊີເຣຍ

Free Syrian Army fighters deploy in Aleppo's town of Khanasir after seizing it, August 26, 2013.

Free Syrian Army fighters inspect munitions and a tank that belonged to forces loyal to Syria's President Bashar al-Assad after they seized Khanasir, August 26, 2013.

A U.N. chemical weapons expert gathers evidence at site of an alleged poison gas attack in a southwestern Damascus suburb, August 26, 2013.

This image taken from amateur video posted online appears to show a presumed U.N. staff member measuring and photographing a canister in a Damascus suburb, August 26, 2013.

An image grab taken from a video posted by Syrian activists purportedly shows a U.N. inspector speaking to a man in a Damascus suburb, August 26, 2013.

U.N. chemical weapons experts meet residents at one of the sites of an alleged poison gas attack in a southwestern Damascus suburb, August 26, 2013.

U.N. chemical weapons experts visit a hospital where wounded people affected by a suspected gas attack are being treated, in a southwestern Damascus suburb, August 26, 2013.