Opposition groups say hundreds killed when government forces fired rockets with chemical warheads into Damascus suburbs.
Syrian activists claim that government forces have carried out a "poisonous gas" attack in suburbs of the capital, Damascus, leaving hundreds of people dead.
Activists said regime forces fired "rockets with poisonous gas heads" in the alleged attack early on Wednesday.
http://www.aljazeera.com/news/middleeast/2013/08/201382163812810810.html