After the most difficult week of Keir Starmer's premiership, with mounting speculation over how long he can last as Prime Minister, this week on Westminster Insider, host Patrick Baker explores Labour's long and not-too-illustrious history of failed coups and botched insurrections.

Former Home Secretary Alan Johnson remembers the "curry house plot" in 2006 that forced Tony Blair to bring forward his departure from office and urges Starmer "not to let himself be forced out".

One of those at the heart of "balti-gate" as it became known, ex-Labour MP Sion Simon, explains how being well-organised and having a viable successor in Gordon Brown made all the difference.

Labour peer Ayesha Hazarika and The Independent's John Rentoul remember the one-man kamikaze mission that was ex-Culture Secretary James Purnell's hapless bid to oust Gordon Brown, and reflect on why the Tory party seem to be much more efficient at removing leaders.

Former Jeremy Corbyn adviser Andrew Fisher describes what it was like to be on the receiving end of multiple failed attempts by Labour MPs to remove the then Labour leader, pointing to the power of the Labour membership - a factor which could mean Labour is now more ripe for a change at the top than the famously regicidal Conservative party.

POLITICO's Dan Bloom takes us through the dramatic week in Westminster, with Number 10 engulfed by the revelations about Peter Mandelson.

Labour insider Sienna Rodgers of Parliament's The House magazine outlines who she believes might be in the strongest position to challenge Keir Starmer.

And politics expert Richard Johnson, an academic at Queen Mary University, illuminates the complex tangle of rules and procedures that any would-be Labour challenger needs to follow to depose Keir Starmer.

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A handy guide to Labour regicide