Former UK Ambassador to Syria, Peter Ford
"Douma chemical attack is staged."
Red Crescent Says No Evidence of Chemical Attack in Syria's Douma
https://news.antiwar.com/2018/04/09/red-crescent-says-no-evidence-of-che...
"The Syrian Red Crescent issued a statement Monday dismissing the allegations of a weekend chemical weapon attack in the city of Douma. The statement insisted their medical personnel in the city had found no evidence any such attack took place..."