NATO Secretary General Mark Rutte said on Monday NATO membership for Ukraine was not under discussion but that there was a discussion on "Article 5" type security guarantees for the country that Russia invaded in February 2022.

A visible rift between the U.S. and Europe emerged as President Trump skipped the welcome for top EU leaders, leaving Ursula von der Leyen, Emmanuel Macron, Keir Starmer, and NATO’s Mark Rutte without a presidential greeting.

President Trump met with European leaders on Monday to discuss the war in Ukraine alongside the country’s president, Volodymyr Zelensky, amid a push from the White House for an end to the

Russian leader Vladimir Putin agreed at his summit with President Donald Trump that the United States and its European allies could offer Ukraine a security guarantee resembling NATO’s collective defense mandate as part of an eventual deal to end the war,

President Donald Trump is scheduled on Monday to welcome Ukrainian President Volodymyr Zelenskyy to the White House for a high-stakes meeting as the U.S. president pushes for a deal to end Moscow's war on its neighbor. A host of European leaders will join the pair.

U.S. President Donald Trump could offer NATO-like protection of Ukraine, and Russia is open to the idea, one of his top foreign policy officials said on Sunday ahead of a meeting with Ukraine and European leaders to hammer out details of possible security guarantees for Kyiv.

European and NATO leaders announced Sunday that they will joining President Volodymyr Zelensky in Washington for crucial talks with President Trump.