Starmer loses his election mastermind as survival fight intensifies

Morgan McSweeney, the architect of Labour's July 2024 landslide, quit as Chief of Staff within 24 hours of Starmer's Director of Communications. The departures follow security officials flagging "serious concerns" about Lord Mandelson's US Ambassador appointment, information that never reached Starmer before the confirmation. Scottish Labour Leader Anas Sarwar called for Starmer to stand down, while SNP Westminster Leader Stephen Flynn predicted he "is not going to be in office come the end of next week." McSweeney's exit removes the only advisor who has been by Starmer's side since his leadership election, just as local election results threaten to crystallize private MP frustration into formal challenge.