Tonight’s Channel 4 Dispatches documentary, Tabloids, Tories and Telephone Hacking, will reveal new phone tapping allegations against Andy Coulson, Channel 4 News revealed yesterday.

In a breaking news announcement, presenter Krishnan Guru-Murthy reported that a past colleague of Coulson’s will claim in tonight’s broadcast that the former editor of the News of the World, and now communications director for the Prime Minister, not only knew about phone hacking at the tabloid and asked recordings to be played to him. Coulson has always claimed that he had no knowledge of hacking at the paper.

The Dispatches programme, which features an investigation by political journalist Peter Obourne into the tabloid’s relationship with police and the government, will be aired on Channel 4 tonight at 8pm. The programme follows fresh allegations of phone hacking at the tabloid made by the New York Times last month, sparking emergency debates in the House of Commons, a new police investigation and a series of lawsuits.