A former Murdoch editor warned the culture secretary, Jeremy Hunt, who has the power to block News Corp's current bid for control of the broadcaster BSkyB, to dismiss any offers of editorial guarantees made by the company in an attempt to get the deal through.

P3 Leveson inquiry: Murdoch editors warn of "chilling effect" of state role in regulation.

Leveson inquiry: Murdoch editors warn of 'chilling effect' of state regulation 4.