Vladimir Putin said Ukraine must surrender after President Donald Trump urged the Russian leader to spare the lives of Ukrainian soldiers, following ceasefire talks between the U.S. and Russia in Moscow.

President Donald Trump on Friday appeared to amplify false claims about the state of the war in Ukraine on social media. In a post on his Truth Social platform, Trump said his administration spoke to Russian President Vladimir Putin on Thursday,

Russian President Vladimir Putin questioned the United States-brokered proposal for a ceasefire in the Ukraine war on Thursday, setting forth tough conditions and demanding concessions from Kyiv despite saying he supported a truce in theory.

Russian President Putin said he supports the idea of President Trump’s ceasefire plan, but there are issues he needs to discuss with the U.S. before he would agree to it. President Trump called Putin’s comments “very promising” but incomplete.