(REUTERS) A Syrian rescue service operating in rebel-held territory said on Tuesday a helicopter dropped containers of toxic gas overnight on a town close to where a Russian military helicopter was shot down hours earlier.
The opposition Syrian National Coalition (SNC) accused President Bashar al Assad of being behind the attack. Assad has denied previous accusations of using chemical weapons.
A spokesman for the Syria Civil Defence said 33 people, mostly women and children, were affected by the gas, which they suspect was chlorine, in Saraqeb, in rebel-held Idlib province.
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