Sir Keir Starmer vowed to prove his “doubters” wrong as he fought back against calls for him to quit. In a speech in Central London on Monday, the Prime Minister said he took responsibility for the results that saw Labour lose almost 1,500 English councillors, go backwards in Scotland and slump to third in Wales. The results have seen a succession of MPs call for Sir Keir to set out a timetable for his departure, while former minister Catherine West has suggested she would launch a leadership bid. Facing down those calling for his resignation, Sir Keir said: “I’m not going to shy away from the fact that I’ve got some doubters, including in my own party. “I’m not going to shy away from the fact that I have to prove them wrong, and I will.” Prime Minister Keir Starmer gives a speech at Coin Street Community Centre on May 11, 2026 in London, England (Getty) Sir Keir’s speech comes at a pivotal moment in his premiership, with last week’s election results reigniting speculation about potential challengers.…