Wes Streeting, a key Starmer rival, backed Manchester’s Andy Burnham as among the best options to challenge Starmer. British Prime Minister Keir Starmer’s administration is embroiled in turmoil amid a calamitous local election result for the Labour Party last week. Starmer, who has been dogged by controversy over the appointment of Jeffrey Epstein associate Peter Mandelson as the UK’s ambassador to Washington, as well as frustrations with slow-moving domestic policy changes, has so far refused calls to resign. Recommended Stories list of 4 items list 1 of 4 Britain’s Health Secretary Streeting resigns as pressure on Starmer grows list 2 of 4 Labour’s Angela Rayner says she has been cleared over UK tax affairs list 3 of 4 UK’s Starmer faces challenge as resignation calls overshadow king’s speech list 4 of 4 Starmer at risk because he pushed Labour to be ‘new Conservative Party’ end of list But more than 80 MPs have urged him to quit, while four junior ministers have stepped down.…