Andy Coulson has been arrested and charged with perjury and Jeremy Hunt is set to give evidence at Leveson Inquiry.
Bernard Ponsonby was in the Scotland Tonight studio with Rona Dougall discussing what it all means for David Cameron.
He said: "It is very serious and it will start tomorrow when Jeremy Hunt is questioned at the Leveson Inquiry."
Speaking of the news that Andy Coulson had been arrested he added: "That will raise fresh allegations of the judgement of the Prime Minister."
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