But just minutes earlier he had responded to threats from Russian diplomats and lawmakers saying Moscow would order USA missiles fired at Syria to be shot down, and that the U.S. platforms that fired the missiles would be attacked as well, by telling Russia to "get ready" for a United States missile strike. US special counsel Robert Mueller has been conducting a almost year-long investigation into Trump campaign links to Russian Federation, and the USA intelligence community's conclusion that Moscow was targeting the election in an effort to help Trump win.
President Vladimir Putin's spokesman Dmitry Peskov said in televised remarks that "we don't participate in Twitter diplomacy".
The crisis was due to be discussed later on Monday at the Security Council, with the U.S. circulating a draft resolution for a new independent inquiry of chemical weapons attacks in Syria.
He says claims of a chemical attack were fabricated and "can't serve as a pretext for any forceful actions".
To which Maria Zakharova, the spokesperson of the Russian Foreign Ministry, shot back on her Facebook page: "Great idea".
Rescue teams and medics have said a "poisonous chlorine gas attack" in Douma on Saturday killed dozens of people, including many children and women.
The message-for-message spat between Washington and Moscow continues apace, after Russian Federation reminded President Trump that the United States still hasn't got rid of its chemical weapons stockpile.
Iran is a key ally of the Syrian government, alongside Russian Federation.
"Right now, Trump has promised to strike, and Putin has promised to respond".
Officials of the Trump administration have been discussing with officials of France and Britain a possible joint military response to Syria's alleged poison gas attack. In the past Trump has vowed to stand up to Syrian President Bashar Assad. Syria denies the accusation.