President of the Syrian National Council (SNC) George Sabra speaks during the news conference in Istanbul, Turkey, Aug. 21, 2013. Syria's main opposition group accused the government of "massacring" more than 1,300 people in chemical weapons attacks near Damascus Wednesday, as the UN Security Council called for "clarity" and expressed "strong concern" over the allegations. (Xinhua/Lu Zhe)
Syrian Opposition National Coalition media office head Khalid Saleh (1st L) speaks during the news conference in Istanbul, Turkey, Aug. 21, 2013. Syria's main opposition group accused the government of "massacring" more than 1,300 people in chemical weapons attacks near Damascus Wednesday, as the UN Security Council called for "clarity" and expressed "strong concern" over the allegations. (Xinhua/Lu Zhe)
