Nigel Farage is under pressure after The Sunday Times revealed he had not declared benefits from an ally previously convicted of fraud in the US. He denies any wrongdoing.

How serious is the challenge to his leadership, and to Reform UK? 

Hugo Rifkind unpacks the politics of the day with Libby Purves and Sebastian Payne.

You can hear more of Hugo on Times Radio from Monday to Thursday, 10am-1pm

And you can hear the full story of the Sunday Times revelations about Nigel Farage in a new podcast by the Insight team. It's called Posh George: The criminal behind Farage. Listen here.

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