The Russian military said on March 13 that it would respond to any US strike on Syria by targeting any missiles and launchers involved. "Get ready Russian Federation, because they will be coming, nice and new and 'smart!'", Trump wrote.
The US and its allies have been considering whether to hit Syria over the suspected poison gas attack that medical relief organisations say killed dozens of people.
Russian military officials have said they will shoot down any U.S. missiles and counterattack against launching platforms if they are seen as a threat to Russian service personnel in Syria.
The Kremlin spokesman has commented on President Donald Trump's tweet warning of an imminent missile strike on Syria by saying that Moscow doesn't engage in Twitter diplomacy.
After Russia's ambassador to Lebanon said Russian forces would shoot down any missiles fired at Syria, U.S. President Donald Trump said Wednesday Russia should be ready, "because they will be coming". There is no reason for this.
"Russia needs us to help with their economy, something that would be very easy to do", stated the president.More news: Rain stops play in Jaipur, Rajasthan Royals 153/5
Wednesday, a Russian official said the chemical attack was staged and filmed by members of the White Helmets organization, a volunteer group inside rebel-held areas in Syria.
It comes after a suspected chemical attack in Douma, Syria believed to have been carried out by the Assad government. Israel is reportedly anticipating a USA strike. Mr. Trump called out Putin along with the leadership in Iran for backing Assad, who he referred to as "Animal Assad".
In the past Trump, has condemned forecasting military plans.
Though there is no authorization for use of military force against the Syrian government, President Trump has promised a "big price to pay" for the latest alleged attack and observers are watching to see whether he could launch more strikes. Syria and its ally Russian Federation deny such an attack happened.
The Syrian government has denied responsibility for the attack.
Russian Federation and the western allies were unable to compromise on a concerted worldwide response to the use of chemical weapons at the United Nations on Tuesday evening.More news: Trump re-evaluating interview with Mueller after Cohen raid
"Global norms against chemical weapons reflect a particular abhorrence to their disproportionate harm to the eldest, the most infirm, and the youngest among us", the statement said.
He added that both sides should avoid a military confrontation, and said "we are ready to hold negotiations".
Moscow's threat to shoot down USA missiles came from the Russian ambassador to Lebanon, Alexander Zasypkin, who said he was referring to a statement by President Vladimir Putin and the Russian armed forces chief of staff.
Kremlin spokesman Dmitry Peskov said Wednesday that Russian Federation hopes all parties involved in Syria will avoid any steps that could "significantly destabilize" an already "fragile situation". "I am not like other administrations, where they say, 'We are going to do this in four weeks.' It doesn't work that way".
Asked whether France would take military action, Mr Macron said his country would continue discussing technical and strategic information with United States and British allies and "in the coming days we will announce our decision".More news: Bank of America Shares Seen Rising 8% Short Term