The US warned Russia ahead of the overnight strikes on Syria, US Ambassador to Russia Jon Huntsman said, adding that the military action was not "about the conflict between superpowers".
Russian Federation says there is no evidence of a chemical attack in Douma and has warned the United States and its allies against carrying out any military strike.
Nikki Haley, the USA ambassador to the United Nations, on Friday accused Russian Federation of lies and covering up for Assad, which she said had used chemical weapons at least 50 times in the past seven years of warfare. "Russia was supposed to guarantee Assad would not use chemical weapons, and Russian Federation did the opposite".
According to Syrian medics and a statement by the World Health Organisation, more than 40 people died in an April 7 strike on the former rebel outpost of Douma of symptoms consistent with the use of chemical weapons. Vladimir Shamanov, who chairs the defence committee of Russia's lower house, said the vessels had departed the base for their own safety, which was "normal practice" when there were threats of attack.
Poirier stops Gaethje in 4th round of absolute barn burner
Coming off two losses, that's hard to say, but you want to see me fight. "But I felt like I got my wheels under me pretty quick". And Michelle Waterson was given a gift decision after getting out-muscled on the feet and the ground by Cortney Casey .
Some other of Trump's European allies are anxious to avert a U.S. He asked U.N. Secretary General Antonio Guterres to call an open meeting of the U.N. Security Council for Friday.
"Our military specialists have visited this place. and they did not find any trace of chlorine or any other chemical substance used against civilians", Lavrov said. Trump had dialled down the rhetoric on Thursday.
The capture of Douma has clinched a major victory for Assad, crushing what was once a centre of the insurgency near Damascus, and underlines his unassailable position in the war. Rebels and jihadist insurgents are largely contained to two areas along Syria's northern and southern borders.