New Delhi, June 19 -- Labour's Andy Burnham, the current mayor of Greater Manchester, has won a special election for a seat in Parliament that puts him in a position to challenge embattled Prime Minister Keir Starmer for leadership of the country.

Burnham decisively won the seat of Makerfield in northwest England over Rob Kenyon of the anti-immigration party Reform UK.

The victory announced early Friday cements the status of Burnham, a 56-year-old politician nicknamed the King of the North, as the top contender to replace Starmer as leader of the Labour Party and the country. Burnham won almost 55% of the 45,510 votes counted, over 9,000 more than Kenyon.

Burnham's victory speech left no doubt that he wants to lead the country, and not...