The Russian leader warned against "ill-considered and unsafe actions. that would have consequences beyond conjecture".
President Vladimir Putin later referred to this claim, saying on April 4 that Russian Federation had "irrefutable proof" that rebels were planning an attack with "poisonous substances".
The vote reflected the deep divisions in the U.N.'s most powerful body, which has been paralyzed in dealing with the seven-year Syrian conflict and chemical weapons use in the country.
According to a statement by the French presidency, Mr Macron called for dialogue between France and Russian Federation to "continue and intensify" to bring peace and stability to Syria. The medics, however, said none of the patients had any symptoms of chemical poisoning, according to the statements.
Russian defence ministry spokesman Igor Konashenkov said the military had "proof that testifies to the direct participation of Britain in the organising of this provocation in Eastern Ghouta".
A fact-finding mission from the Organisation for the Prohibition of Chemical Weapons is expected to head to Douma.
"This is grotesque", Pierce told reporters as she left an emergency meeting of the U.N. Security Council.
The Associated Press, citing a Russian media outlet, quoted a top Russian official as likening Trump to Nazi leader Adolf Hitler.
USA officials suspect the Russia-backed Assad regime is behind the attack.
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.
"Our President has not yet made a decision about possible action in Syria".
US allies have offered strong words of support for Washington but no clear military plans have yet emerged.
Assad is supported by Iranian-back fighters as well as the Russian air force and has cemented his control over most of the western, more heavily populated, part of the country. A US guided-missile destroyer, the USS Donald Cook, is in the Mediterranean.