Labour leader Sir Keir Starmer has launched a vigorous "Stop Burnham" drive ahead of the Makerfield by‑election on June 18,where Andy Burnham is the clear favourite and has signalled a leadership bid. The move comes as factions within the party clash over policy direction and the prospect of a leadership contest.

Makerfield by‑election set to be a litmus test for Burnham’s leadership ambitions

Andy Burnham, the former Greater Manchester mayor, is expected to win the Makerfield seat on June 18,according to the source, and has openly hinted he will use the victory as a springboard for the Labour leadership. A recent poll cited in the report shows Burnham ten points ahead of his Reform Party rival, though the final outcome could hinge on whether right‑wing voters back the Restore candidate.

Starmer’s “blizzard of acivity” aims to cement his grip on the party

In response, Sir Keir is arranging a series of face‑to‑face meetings with MPs, promising not to step aside quietly.. the source notes that Starmer is also rolling out a suite of "legacy" policies designed to improve his standing among Labour backbenchers, while emphasizing that he could avoid the 80‑nomination threshold should a contest arise.

Angela Rayner’s Makerfield appearance fuels speculation of a Burnham alliance

Deputy leader Angela Rayner visited Makerfield yesterday, sparking talk of a possible partnership with Burnham. The source reports that her appearance has intensified rumours that the two could join forces, even as other party figures, such as former health secretary Wes Streeting, signal their own leadership intentions.

Public spat between Lisa Nandy and Clive Lewis highlights intra‑party tension

During a live ITV interview, Culture Secretary Lisa Nandy accused Labour MP Clive Lewis of "breathtaking arrogance" after he commented on voter sentiment in Makerfield without having visited the constituency. The source describes the exchange as emblematic of the growing hostility, with Lewis defending his remarks and Nandy insisting on on‑the‑ground insight.

Who will ultimately challenge Starmer? Burnham, Streeting, or another contender?

The source indicates that while Burnham is positioning himself for a leadership run, other figures like Wes Streeting are also eyeing the top job. However, the report notes that many within the party remain uncertain about the timing of any challenge, with some urging patience and others calling for immediate action.