That included a Monday joint statement from Republican Sen. Lindsey Graham and Democratic Sen. Richard Blumenthal calling Trump’s threat of ramped-up economic penalties if Russia doesn’t cut a peace deal in next 50 days “a real executive hammer to drive the parties to the negotiating table.”

President Trump warned Ukraine not to strike Moscow with the military aid that the U.S. will begin sending soon. All of it is sparking sharp reactions inside Russia. NBC News’ Keir Simmons reports.