How Commons Speaker Hoyle tipped off police about Mandelson 'flight risk'

In a week that started with Peter Mandelson's arrest, and will end with a crucial by-election for the PM, Tom and Robert discuss whether Mandelson's arrest will prove terminal for Starmer.

They unpack why Commons Speaker Lindsay Hoyle warned the Met that Mandelson was a flight risk - triggering his arrest.

The former Business Secretary denies any wrongdoing, and says his overriding priority is to cooperate with the police investigation and clear his name.

But will Mandelson's arrest define the PM's premiership?

Tom and Robert discuss what could happen in this week's by-election in Gorton and Denton and how it could be the most important result of the PM's career.

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Full list of candidates in the Gorton and Denton by-election

Nick Buckley – Advance UK

Charlotte Cadden – Conservatives

Dan Clarke – Libertarian Party

Matt Goodwin – Reform UK

Sir Oink A Lot – The Official Monster Raving Looney Party

Joseph O’Meachair – Rejoin EU

Sebastian Moore – Social Democratic Party

Jacqueline Pearcey – Liberal Democrats

Hannah Spencer – Green Party

Angeliki Stogia – Labour Party

Hugo Wils – Communist League