Pakistan, July 17 -- Andy Burnham is set to become leader of Britain's governing Labour Party on Friday, paving the way for him to replace Keir Starmer as the United Kingdom's prime minister on Monday.

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Burnham, 56, is expected to secure overwhelming backing from Labour lawmakers during a party conference, making his election largely a formality. He will become Britain's seventh prime minister in a decade, inheriting the leadership at a time of growing political pressure and declining public support for the outgoing government.

Known as the "King of the North" for his advocacy as Mayor of Greater Manchester, Burnham built his reputation by championing greater region...