By Lizzy Buchan Rishi Sunak has conceded that the Tories may not win the next general election after a dire set of local elections results saw the party shed hundreds of council seats. Voters delivered their verdict in stunning fashion in the polls across England, where the Conservatives lost 470 councillors and the prized West Midlands mayoralty. Labour also stormed to victory in the first York and North Yorkshire mayoral race, which covers Mr Sunak’s own constituency, and seized Blackpool South from the Tories in a Commons by-election. Despite the dire results, the PM seems to have avoided a…