President Donald Trump has lashed out at Ukrainian President Volodymyr Zelenskyy once more. Trump says Zelenskyy is prolonging the ‘killing field’ after the Ukrainian leader pushed back on ceding Crimea to Russia as part of a potential peace plan.

Ukraine's leader ruled out the idea of ceding territory to Russia in any deal before talks set for Wednesday in London among US, European, and Ukrainian officials.

An unusual public back-and-forth suggested that both sides in the war were eager to at least appear interested in negotiations.

U.S. President Donald Trump's envoy, Steve Witkoff, will visit Moscow this week for a new round of talks with Russian President Vladimir Putin about the war in Ukraine, the White House said on Tuesday.

President Volodymyr Zelenskiy said on Tuesday Ukraine was ready for talks with Russia "in any format" once a ceasefire is set, while the Financial Times reported President Vladimir Putin had offered to halt Russia's invasion at the current front lines.

London talks aimed at securing a ceasefire between Ukraine and Russia have been downgraded and will no longer include US Secretary of State Marco Rubio and special envoy Steve Witkoff. The meeting on Wednesday will instead take place among senior officials from the UK,

President Volodymyr Zelenskiy said on Tuesday that Ukraine would be ready to hold talks with Russia in any format once a ceasefire is in place and the fighting between Kyiv and Moscow's forces has stopped.