Keir Starmer told his French and German counterparts that Nato must 'step up' operations in the Arctic today as they are frantically trying to stop Donald Trump seizing Greenland. The PM discussed the brewing row over US threats with Emmanuel Macron and Friedrich Merz in a phone call. European leaders have backed Denmark in a dispute with Mr Trump that has sparked fears the military alliance could be torn apart. Sir Keir held a second call with the American president in just two days last night. Downing Street said he had argued that Europe was defending the Arctic from Russia...