Prime Minister Keir Starmer has informed his cabinet that any minister supporting Andy Burnham in a leadership bid must resign. This ultimatum arrives as the Greater Manchester Mayor contests the Makerfield by-election next Thursday.

The resignation ultimatum for ministers backing Andy Burnham

Prime Minister Keir Starmer is escalating internal party tensions by issuing a direct mandate to his senior staff. According to senior government sources, the Prime Minister will make it clear that any cabinet member expressing support for a leadership challenge from Andy Burnham will be required to step down immediately. This "tough line" strategy is intended to prevent a wider rebellion that could paralyze the government for several months.

The intensity of this internal conflict is evidenced by the Prime Minister personally summoning groups of ministers to warn them that their careers are at risk. As reported in the Financial Times, a senior official confirmed that Number 10 has been explicitly stating that support for a rival candidate during a contest would necessitate a resignation from the government.

Why the Makerfield by-election next Thursday is the flashpoint

The upcoming Makerfield by-election, scheduled for next Thursday, serves as the primary trigger for this potential constitutional crisis. Andy Burnham is standing in the contest, and if he secures a victory to return to the House of Commons , he is expected to launch a formal challenge for the Labour leadership within weeks. while Burnham has effectively confirmed these intentions, his allies remain divided on the exact timing of an attack on the Prime Minister.

Current polling suggests Andy Burnham holds a ten-point lead over his Reform UK rival. However, the final result may depend on whether right-wing voters split their support between Reform UK and the newly launched Restore candidate. A win for Burnham would likely transform a local electoral victory into a national power struggle within the Labour Party.

How Wes Streeting expands the leadership threat

The threat to Keir Starmer's leadership is not limited to the Greater Manchester Mayor. Former health secretary Wes Streeting has also inidcated his desire to be a candidate, suggesting that a leadership contest could become a multi-way battle rather than a simple binary choice between the Prime Minister and Andy Burnham.

Despite the potential for a challenge, Keir Starmer holds a procedural advantage. as the sitting leader, he is generally exempt from the requirement to gather 80 nominations from MPs to stand in a contest. Nevertheless, the prospect of facing public hustings this summer is viewed as a humiliating possibility that the Prime Minister is keen to avoid, leading him to rush through a series of policy announcements to demonstrate his authority.

Financial markets and the fear of a lurch to the Left

The internal instability of the Labour Party is drawing scrutiny from the global economy. Financial markets are reportedly monitoring the situation closely, fearing that a successful challenge by Andy Burnham could result in a significant "lurch to the Left" in government policy. This economic anxiety adds a layer of external pressure on Keir Starmer to maintain absolute control over his cabinet.

This volatility echoes previous periods of Labour instability where leadership disputes led to policy paralysis. by framing the leadership struggle as a mattr of government stability, the Prime Minister is attempting to align his personal survival with the broader economic interests of the United Kingdom.

The mystery of Angela Rayner's allance with Burnham

One of the most significant unknowns in this struggle is the exact nature of the relationship between Deputy Leader Angela Rayner and Andy Burnham. Rayner has been visiting the Makerfield constituency, and her presence has stoked speculation that she may be forming a strategic alliance with the Mayor to challenge the current leadership.

It remains unclear whether Angela Rayner is merely performing standard party duties or actively coordinating a move against Keir Starmer . Furthermore, while No10 sources suggest some figures are "getting ahead of themselves" before the by-election, the described "frosty" relationship between the Prime Minister and Andy Burnham suggests that a compromise is highly unlikely.