Andy Burnham will become the United Kingdom’s next prime minister after winning the Labour Party leadership, succeeding Keir Starmer at the head of the governing party.

Shabana Mahmood, the home secretary, announced Burnham’s victory on Friday after he secured 379 nominations from Labour MPs, confirming his election as party leader. Burnham will formally take office as prime minister on Monday after Starmer tenders his resignation to King Charles III at Buckingham Palace.

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Following Starmer’s resignation, Burnham will be invited by the King to form a government, completing the constitutional transition of power.

In his first speech as Labour leader, Burnham declared that he was ready to lead the country and promised to restore hope and confidence in British politics.