King Charles will be drawn into one of his most sensitive constitutional roles in years after Keir Starmer's resignation as prime minister, with the monarch now tasked with overseeing the appointment of a new Labour leader who can command the confidence of the House of Commons and form the next government.
The King must appoint the next prime minister, invite that person to form a government and then accept Starmer's formal resignation at Buckingham Palace, all while remaining publicly neutral.
