Ukrainian President Volodymyr Zelensky joined European and NATO leaders to thank Trump — a lot — six months after the White House accused him of being ungrateful.

President Volodymyr Zelensky of Ukraine said that a full prisoner exchange was also essential to ending the war. Other European leaders also expressed their support for a cease-fire.

Ukrainian President Volodymyr Zelensky has called for NATO-style security guarantees as a prerequisite for ending Russia's war of aggression. The guarantee must function like NATO's Article 5, Zelensky told journalists in Brussels after meeting with European Commission President Ursula von der Leyen.

President Trump had a long call with Ukrainian President Volodymyr Zelensky during his flight back to Washington about his talks with Russian President Vladimir Putin, White House Press Secretary Karoline Leavett said.

The U.S. has proposed security guarantees for Ukraine similar to — but separate from — those enjoyed by NATO member countries, a diplomatic source told AFP on Saturday. The suggestion was raised during a call U.