U.S. President Donald Trump told President Volodymyr Zelenskiy on Monday that the United States would help guarantee Ukraine's security in any deal to end Russia's war there, though the extent of any assistance was not immediately clear.

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.

After witnessing the red carpet rolled out for Russian President Vladimir Putin last Friday; the jet flyover; the ride in the presidential limousine, many Ukrainians feared the American president’s bromance with the wily old KGB agent had reignited.

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

Texas, discusses President Donald Trump's efforts to bring peace to Ukraine and when he believes the end of the war will come on 'Jesse Watters Primetime.'

President Donald Trump made some false claims to the press while meeting with Ukrainian President Volodymyr Zelensky at the White House on Monday – including a long-debunked claim that the US has given Ukraine more than $300 billion in wartime aid.

Russia’s troops are continuing their slow war of attrition in eastern and northern Ukraine, even as the conflict enters a pivotal phase with a series of high-level meetings that are part of U.S.

CNBC's Eamon Javers joins 'Fast Money' with breaking news on a Financial Times' report concerning a weapons deal with Ukraine.

The US president says Russia's Putin is "expecting a call" immediately after his talks with Zelensky and European leaders.

German Chancellor Merz broke with the generally optimistic tone at the European leaders meeting at the White House on Monday, stating a ceasefire is necessary for peace.