Syria's military has denied using chemical weapons and blamed rebels for the carnage , but activists say the regime is responsible for a chemical attack which killed at least 70 people. The regime of Syrian President Bashar al-Assad is supposed to have given up its chemical weapons stockpile, but not everyone is convinced. JUST WATCHED Syria misses chemical weapons deadline Replay More Videos ... MUST WATCH Syria misses chemical weapons deadline 02:35Syria never signed the Chemical Weapons Convention, the current international treaty against the use of poison gas, but it did sign the 1925 Geneva Protocol, which banned the use of chemical and bacteriological warfare, according to the international Organisation for the Prohibition of Chemical Weapons (OPCW.) Could rebel forces have chemical weapons? But Dan Kaszeta, a chemical weapons specialist and managing director of Strongpoint Security, told CNN that the Russian version of events was "highly implausible."

Source: CNN April 05, 2017 13:54 UTC