U.S. President Donald Trump says he has called Russian President Vladimir Putin and begun to arrange a meeting between Putin and Ukrainian President Volodymyr Zelenskyy, a critical step toward bringing a possible end to Russia's war on Ukraine.

President Trump and European leaders met for a one-of-a-kind summit at the White House on Monday to push toward a peace deal between Russia and Ukraine. But by the end of a marathon day of meetings, details on what such an agreement might entail remained elusive.

President Trump has offered only vague assurances of security guarantees for Ukraine if President Volodymyr Zelensky agrees to cut a deal with Russia.

Ukraine will promise to buy $100bn of American weapons financed by Europe as part of a deal to obtain US guarantees for its security after a peace settlement with Russia, according to a document seen by the Financial Times.

President Volodymyr Zelenskiy accused Russia of unleashing "cynical" attacks on Ukrainian civilians that he said were designed to undermine his talks with U.S. President Donald Trump in Washington later on Monday.

Broadcast and cable networks went to special reports on Monday as Donald Trump and Ukrainian President Volodymyr Zelensky spoke to journalists in the Oval Office in advance of talks of a peace deal to settle Ukraine ‘s war with Russia.

Steve Witkoff says Vladimir Putin agreed at his summit with Donald Trump to allow the U.S. and European allies to offer Ukraine a security guarantee resembling NATO’s collective defense mandate.

Volodymyr Zelenskiy flies to Washington on Monday under heavy U.S. pressure to agree to a swift end to Russia's war in Ukraine.