Russian state media footage shows the M113 armored personnel carrier driving into combat in the Zaporizhzhia region.

Special U.S. envoy Steve Witkoff says Russian leader Vladimir Putin agreed to allow the U.S. and Europe to offer Ukraine a security guarantee resembling NATO's collective defense mandate.

Major questions remain over what both sides might accept after Trump held successive talks with Putin and Zelensky.

Matt Gaetz suggested Monday that the North Atlantic Treaty Organization offer membership to Russia—the country it describes as “the most significant and direct threat to allies’ security.” Gaetz, hours after President Donald Trump met with Ukrainian President Volodymyr Zelensky and other European allies to work toward a peace deal,

Polish police found metal and plastic fragments from an unidentified object in a field after they were dispatched to reports of an explosion.

Ukraine's European allies have prioritized securing security guarantees for Kyiv as a core precondition for any deal to end the Ukraine war.