Despite Syria's President Bashar al-Assad and his government denied launching the chemical attack on the rebel-held town of Douma on Saturday, Mr Trump called him a "gas killing animal" in one of his tweets.
Pro-government forces in Syria are emptying main airports and military air bases over possible USA strikes, the Syrian Observatory for Human Rights, a Britain-based war monitor, said on Wednesday.
Russia's Ambassador to Lebanon, Alexander Zasypkin, warned Tuesday evening in an interview on Hezbollah-linked Al-Manar TV that any US missiles fired at Syria will be shot down and their launch sites targeted.
Our relationship with Russian Federation is worse now than it has ever been, and that includes the Cold War.
Syrian government forces are a different level of target to most U.S. foes.
The warning came during a fractious meeting of the UN Security Council, where Russian Federation and western allies failed to reach an agreement on an appropriate global response to the use of chemical weapons.
Russian Lt. Gen. Viktor Poznikhir said Wednesday that military police would be sent to Douma on Thursday. In the past, the USA and its Western allies have accused Syria of using sarin gas against civilians, a charge Damascus denies.
Trump tweeted, referring to Moscow's alliance with Assad.
The Pentagon does not have an aircraft carrier in the area at the moment, which focuses attention on the U.S.S. Donald Cook or the U.S.S.
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Judges scored the fight 50-44, 50-43, and 50-43, meaning Nurmagomedov earned two 10-8 rounds on two of the judges' scorecards. Rose had great head movement and I was surprised at how few leg kicks Joanna used in the fifth round.
Also: racism, sexism, xenophobia, religious bigotry, toxic nostalgia, and the deliciousness and availability of Trump steaks. The politician, who spoke on condition of anonymity because he was not authorized to speak about secret military movements, said the atmosphere and USA statements hint at a possible strike, "but there are no indications on the ground so far".
The Security Council also rejected another Russian-drafted resolution that would have welcomed an investigation by the Organization for the Prohibition of Chemical Weapons of allegations of a weekend chemical attack in the suburbs of Syria's capital.
Trump has spoken out against telegraphing U.S. military plans to enemies in the past.
Oil prices jumped to their highest level in more than three years on Wednesday after Trump's missile warning, and U.S. stock index futures fell sharply amid alarm over possible Russian-U.S. conflict over Syria.
On Monday, Trump said in a meeting with the U.S. military leadership that he would announce in the next 24 to 48 hours what the USA response would be.
He said that we used our veto power to promote peace and security in Syria.
UN Secretary-General spokesman Stephane Dujarric told reporters on Tuesday that the OPCW needs complete access to the site of the chemical attack to determine who is responsible.