Sir Keir Starmer has told world leaders they need to step up to a “once in a generation moment” for the security of Europe Speaking at a summit in London to discuss ending Russia's war in Ukraine, Sir Keir said that getting a good outcome for Ukraine was “vital to the security of every nation here and many others too”.

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.