Russia has rejected President Trump's "ultimatum" for Moscow to sign a ceasefire deal to end the war in Ukraine within 50 days on Tuesday as "unacceptable," calling for continued negotiations and insisting that the invasion ordered by President Vladimir Putin would continue until its goals are achieved.

WASHINGTON (AP) — President Donald Trump has endorsed a plan to have European allies buy billions of dollars worth of U.S. military equipment that can be transferred to Ukraine as Kyiv looks for way to better defend itself against intensified Russian attacks.