Labour has won key councils and regional mayors in England, with the Conservatives losing 10 councils and more than 400 councillors It also picked up the new regional mayor for York and North Yorkshire - which covers Rishi Sunak's constituency Ben Houchen's win in the Tees Valley mayoral race was a bright spot on what has been a bad set of results for the Tories Rishi Sunak said losses were "disappointing" but mayoral contests like Tees Valley were a "key battleground" Labour made gains, winning councils in Redditch, Thurrock, Hartlepool, and Rushmoor in Hampshire - but lost Oldham to no overall control Labour also won the Blackpool South by-election, taking the seat from the Tories, with a 26% swing Sir Keir Starmer said the result "sends a message" to Rishi Sunak, and called on the prime minister to "make way"