A Tiny Fraction of Voters May Shape UK Leadership Choices

WHO:

CNN - Greater Manchester Mayor Andy Burnham is a key political figure in the Labour Party.

CNN - Keir Starmer is the current Prime Minister and leader of the Labour Party.

CNN - Robert Kenyon is the Reform UK candidate in the Makerfield by-election.

Politico - Wes Streeting is a Labour MP who intends to challenge Keir Starmer for leadership.

WHAT:

CNN - Burnham is plotting a return to parliament and may challenge Starmer for leadership of the Labour Party.

CNN - Seven ministers have resigned from Starmer’s government following poor performance in local elections.

CNN - The Makerfield by-election is considered potentially the most consequential in British history.

Politico - Streeting has confirmed his intention to stand in the leadership contest and has not triggered a contest due to the ongoing by-election.

WHERE:

CNN - The by-election is taking place in the Makerfield constituency, which includes towns like Ashton-in-Makerfield and Ince-in-Makerfield.

CNN - The campaign is centered in a community center in Greater Manchester.

WHEN:

CNN - The by-election is scheduled for Thursday.

Politico - Streeting ruled out holding a general election earlier than the expected date of 2029.

WHY:

CNN - Burnham's challenge is motivated by the belief that only a new leader can salvage the Labour Party's electoral prospects.

Politico - Streeting aims to present a vision of “progressive capitalism” and has criticized Burnham's left-wing politics.

HOW:

CNN - Burnham's campaign is supported by activists and MPs from across the country, who are canvassing for votes.

Politico - Streeting plans to recruit 20,000 scientists, engineers, and AI experts from overseas and pass emergency legislation for infrastructure development.

(UPDATED June 17, 2026 08:50 UTC)

Greater Manchester Mayor Andy Burnham is making moves to return to parliament and may challenge Prime Minister Keir Starmer for leadership of the Labour Party, especially after seven ministers resigned from Starmer’s government following disappointing local election results. The upcoming Makerfield by-election, which is being held in a constituency that includes towns like Ashton-in-Makerfield and Ince-in-Makerfield, is seen as potentially the most consequential in British history, with Burnham's campaign gaining support from activists and MPs nationwide. Meanwhile, Labour MP Wes Streeting has confirmed his intention to run for leadership, presenting a vision of “progressive capitalism” while planning to recruit thousands of experts for infrastructure development, although he has ruled out a general election before 2029.