Ask the Senate majority leader why he is not bringing it to the floor,” said Sen. Elizabeth Warren. “Is he afraid of Donald Trump?”

A bipartisan U.S. bill that would hit Russia with sanctions in a bid to pressure Moscow into good-faith peace negotiations with Ukraine has gained momentum this week in Congress, but it still lacks the presidential push it needs to get over the finish line.

President Trump said Friday he plans to make a “major statement” on Russia early next week — as the Senate considers legislation to force his hand on sanctions after months of threats from the commander-in-chief.