UPDATE: The video has already been widely reported in the Russian state media and social media. However, the origin of the video still remains unclear.
Some sources say that it was filmed much earlier this year in the area controlled by the Syrian government. This version also remains unconfirmed.
An alleged video of the staged chemical attack in the Syrian province of Idib is circulating online. According to some pro-government sources, this video is a leaked footage, wihch was filmed by the White Helmets and other pro-militant media organizations in order to accuse the Assad government of carrying a chemical weapons attack in Idlib.