(Reuters) - Syrian activists accused President Bashar al-Assad's forces of launching a gas attack that killed nearly 500 people on Wednesday, in what would, if confirmed, be by far the worst reported use of chemical arms in the two-year-old civil war.
An opposition monitoring group, citing figures compiled from medical clinics in the Damascus suburbs, put the death toll at 494 - 90 percent of them killed by gas, the rest by bombing and conventional arms.
The rebel Syrian National Coalition said 650 people had been killed. Other rebel groups cited even higher figures.
WATCH OBAMA'S 'RED LINE' SPEECH EXACTLY ONE YEAR AGO TODAY!