US challenges Russia to step back from Ukraine attack / Trump 'starting to doubt' that Ukraine will reach deal with Russia / Cannes 2025: Three films document the fate of Ukraine and its president / Ukraine war timeline: Key moments after Russian invasion that leads up to Putin-Zelensky showdown / European leaders warn of consequences if Russia rejects Ukraine cease-fire / Ukraine reveals details of Russia's new Banderol cruise missile / War in Ukraine: Vladimir Putin proposes direct talks in Istanbul / European Leaders Visit Ukraine and Press Russia for a 30-Day Cease-Fire / Vladimir Putin 'preparing for war with NATO' within a year of ending conflict in Ukraine / How the war in Ukraine reduced Putin's 'Victory Day' military parade to a shadow of its former self