The West is at a “crossroads in history,” Britain’s Prime Minister Keir Starmer told European leaders at a pivotal summit in London on Sunday, as the continent sought to wrestle control of negotiations over the Russia-Ukraine war away from the US and present a united front amid a meltdown in relations between Kyiv and Washington.

Following the public clash between Trump and Zelensky, the U.K. and France are trying to broker a compromise solution to end the war.