On Sunday, Secretary of State Marco Rubio, who sat in on the meetings with Mr. Putin at the American air base outside of Anchorage, disputed the idea that the Europeans were coming as a posse to protect Mr. Zelensky from a repeat of the February shouting match.

President Donald Trump shifted focus from a Ukraine ceasefire toward a more comprehensive peace deal following his Alaska meeting with Russian President Vladimir Putin, according to Special Envoy Witkoff.