British Prime Minister Keir Starmer has rallied his European counterparts to shore up their borders and throw their full weight behind Ukraine

Ukrainian President Volodymyr Zelensky has said it would need an international force of up to 200,000 troops to sustain a ceasefire along the 600 mile (960km) line of contact between the two opposing armies, Russia and Ukraine.

European leaders met in London to formulate a plan to help end the war in Ukraine. But even potential peacekeepers face political and economic hurdles.