The breakdown in U.S.-Ukraine ties has given new urgency to the two European nuclear powers' efforts to pull together ideas for a peace plan that would initially outline a short truce but also eventually include broader security guarantees. Britain and France have both said the U.S. would be needed for future assurances.

France's defence minister said intelligence it provided to Ukraine was unaffected by the U.S. suspension of intelligence sharing with Kyiv, but warned that Washington's halt in military aid would harm Ukraine's operations against Russia's invasion.

French Defense Minister Sebastien Lecornu said Thursday that France is sharing intelligence with Ukraine, a move that followed the United States saying it was cutting off intellig