The United States's assessment also suggested that a nerve agent was used in the suspected poison attack, but further evidence was needed to determine the type of agent.
In a pair of tweets on Sunday, President Donald Trump appeared to blame the Syrian government and Russia for Saturday’s chemical incident in the suburb of Damascus, and warned of “a big price.”
Damascus has strongly rejected allegations that its forces have used chemical munitions , saying the so-called Jaish al-Islam terrorist group, which has a dominant presence in Douma, was making the accusations “in a blatant attempt to hinder the Syrian Army’s advance in Eastern Ghouta”.
