British Prime Minister Keir Starmer rallied his European counterparts Sunday to shore up their borders and throw their full weight behind Ukraine as he announced outlines of a plan to end Russia’s war.

Speaking at a news conference after the summit, Starmer said four points had been agreed: to keep military aid flowing into Ukraine, and to keep increasing the economic pressure on Russia that any lasting peace must ensure Ukraine's sovereignty and security and Ukraine must be present at any peace talks in the event of a peace deal,