President Donald Trump hosts European leaders at the White House to discuss possible security guarantees for Ukraine on Aug. 18, 2025. Win McNamee/Getty Images
Last week’s landmark summit between President Donald Trump and his Russian counterpart, Vladimir Putin, has led to speculation that a deal to end the war in Ukraine could be in the offing.
In the event of a settlement, Kyiv and its allies want assurances—or security guarantees—that would serve to deter any future Russian aggression against post-conflict Ukraine.
