Sir Keir Starmer resigns as leader of the Labour Party, prompting a process to select a new party leader and determine who leads the government. Multiple outlets report that Starmer remains in post as prime minister until a successor is chosen, meaning there is no immediate change in the day-to-day running of the UK government solely from his resignation. Coverage focuses on the mechanics of Labour’s leadership contest, including the timeline and stages for nominating candidates and holding votes within the party’s procedures. Reporters note that the party’s internal rules govern the selection of a new leader, and that the outcome is expected to determine who becomes Labour leader and therefore prime minister. Sources also highlight what to watch next: who is nominated, how quickly the contest proceeds, and whether there are any interim political arrangements as the party moves toward choosing a new leader. Together, the reports describe a transition period in which Starmer stays on while Labour concludes its process to pick a replacement, with the leadership change following the conclusion of the contest.