Keir Starmer on Friday will become Britain’s new prime minister, as his centre-left opposition Labour party swept to a landslide general election victory, ending 14 years of right-wing Conservative rule. “The Labour Party has won this general election, and I have called Sir Keir Starmer to congratulate him on his victory,” a sombre-looking Rishi Sunak said after he was re-elected to his seat. “Today, power will change hands in a peaceful and orderly manner with goodwill on all sides,” the Tory leader added, calling the results “sobering” and saying he took responsibility for the defeat. At a t…