Ousting Sir Keir Starmer as Prime Minister will lead to an early general election, Labour rebels have been warned as speculation and briefings over his future has been described as reaching a “fever pitch” in the party. A Government source warned that changing leader after this weekend’s expected disastrous local election results would mean a “general election next year”. Downing Street also highlighted Starmer’s “five-year mandate” from voters, which supporters argue would be breached under a new PM pursuing different policies. With Labour on course to lose thousands of council seats in England to Reform UK on Thursday, an early...