Labour have called for Culture Secretary Jeremy Hunt to resign over his relationship with BSkyB while in a quasi-judicial role. But what does it mean to be in such a position?

Mike Granatt, former head of the Government Information Service, told the Today programme's Justin Webb that the term "quasi-judicial" means that the minister has to act like a judge and make a decision under the law.

"Normally the advice was to stay away from having private discussions with people" in order that everything is seen to be fair, he said.

The suggestion, in letters seen at the Leveon inquiry, that Mr Hunt could not meet James Murdoch in person, but could speak on the phone, "stands in the league of bizarre", he said.

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