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 Donald Trump called Russian President Vladimir Putin out for throwing “bullsh*t” on peace talks with Ukraine - hours later, Russia launched its largest ever drone attack on Ukraine. CNN’s Matthew Chance analyzes whether the US leader’s comments have an impact on Russia’s military operations.