He was speaking a day after French President Emmanuel Macron said France had proof there was a chemical attack - also without revealing what that evidence was.
The proposed measures are in retaliation for the White House's imposition of the toughest set of sanctions on Russian Federation since Moscow's annexation of Ukraine's Crimea region in 2014, which dragged relations to their lowest point since the Cold War.
The Russian ambassador to the United States railed against the US-led coalition campaign against suspected Syrian chemical weapons facilities.
The United States, France and Britain defended their military action as legal during the Security Council meeting.
This evening, the Russian UN Ambassador urged the United States and its western allies - including the UK - not to attack President Bashar al-Assad's forces in an escalating crisis over the alleged chemical attack in Syria. The military action is a response to an apparent chemical weapons attack that killed dozens of people earlier this month.
"Russia and Syria's other main supporter, Iran, must place pressure on the regime to end its abuse of global law and human rights".
"Any use of chemical weapons is abhorrent".
"Now we have to make some. decisions, so they'll be made fairly soon".
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"Cabinet agreed that the Assad regime has a track record of the use of chemical weapons and it is highly likely that the regime is responsible for Saturday's attack".
Tuesday: Nebenzia told the U.N. Security Council that images and videos of children foaming at the mouth and dying were fake.
Russian Foreign Ministry spokesperson Maria Zakharova accused the US of attacking Syria when it finally had a chance for peace and likened the evidence of the April 7 chemical weapons attack in Douma - which precipitated Friday's attack - to the evidence that justified the 2003 Iraq invasion. This time with our allies, we have struck harder.
As Haley began her remarks, she broke from the prepared text to say, "I started to listen to my Russian friend and respond, but instead I am in awe, Vassily, of how you say what you say with a straight face".
Blaming the U.S. of attacking Syria when there were chances of peaceful future, Russia's foreign ministry said, "The Syrian capital was attacked at the very moment when the country had a chance for a peaceful future".
Mr Antonov said: "Insulting the President of Russian Federation is unacceptable and inadmissible".
He said: "We're having a number of meetings today, we'll see what happens".
Syria serves as an important access point to the Mediterranean Sea for Russian ships and a hub for Russia in the Middle East. It also said Russian officers found no patients with chemical attack symptoms at a local hospital, and no indication of any burials of victims.