Ukrainian and Russian presidents Volodymyr Zelensky and Vladimir Putin looked set for a peace summit after fast-moving talks Monday between US President Donald Trump and European leaders that focused on the key issue of long-term security guarantees for Kyiv.

The Kremlin hasn't ruled out summits but has said they could only meet in the very final stages of clinching a peace agreement.

The White House is planning for a possible trilateral meeting between the U.S., Russian and Ukrainian presidents in the Hungarian capital of Budapest as the next step in negotiating an end to the yearslong war,