The radio show of shadow foreign secretary David Lammy is being investigated by Ofcom after it received more than 50 complaints.
The broadcasting watchdog said it was looking into whether a programme that aired on LBC on Good Friday “broke our rules on politicians acting as news presenters”.
The Labour frontbencher has hosted a Sunday morning show on the station since 2022 after a number of appearances covering for other presenters, and regularly stands in on Bank Holidays.
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The MPs’ register of financial interests shows Mr Lammy earns around £1,000 per episode, with his latest entry seeing him paid £5,460 for five shows in January.
And alongside a number of other speaking commitments, he is often cited as the highest paid Labour MP for his work outside of parliament.
Ofcom confirmed on its website that 51 complaints had been made about the specific show on 29 March.
During the broadcast, Mr Lammy broke the news that DUP leader Sir Jeffrey Donaldson had resigned as head of the party after he was charged with historical sexual offences – charges he is understood to be “strenuously contesting”.
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