Mcsweeney

Starmer’s top aide quits after Mandelson row, testing his leadership

Morgan McSweeney, Starmer's long-time chief of staff, has resigned after backing Lord Mandelson's appointment as the UK ambassador to Washington, leaving the prime minister exposed and prompting questions about Starmer's leadership as backbenchers weigh their next moves; McSweeney's deputies Jill Cuthbertson and Vidhya Alakeson will act as his successors.