President Trump in a social-media post urged Russian President Vladimir Putin to make a deal, in his most forceful and public effort to end the war in Ukraine.

President Donald Trump is threatening to impose stiff taxes, tariffs and sanctions on Russia if an agreement isn’t reached to end the war in Ukraine.

President Trump has demanded Russia stop its “ridiculous war” with Ukraine or face stiffer penalties — but the U.S. doesn’t appear to have much financial leverage left after a raft of prior sanctions.