U.S. President Donald Trump has once again sent ripples of concern around Ukraine, this time by saying he "thinks" President Volodymyr Zelensky is ready to give up occupied Crimea as part of a peace deal to end Russia's full-scale invasion.

Trump expresses optimism on Ukraine deal, Rubio more realistic, House back to work on $150B defense hike, U.S. hit 800 Houthi targets in 45 days.

Russian President Vladimir Putin announced a so-called "humanitarian" truce in the war against Ukraine to mark the 80th anniversary of the end of World War II in Europe, the Kremlin said on April 28.