Starmer’s chief of staff, who has quit over Mandelson appointment, was accused of presiding over a toxic No 10

How damaging will revelations around Peter Mandelson be for Keir Starmer’s own reputation? John Harris and Kiran Stacey discuss the latest

Keir Starmer’s days as prime minister are numbered, Labour MPs have warned, after a week of fury over the appointment of Peter Mandelson as US ambassador despite his friendship…