It used a fake Chinese investor, who wanted to pay the politicians for tips on how to make money out of Britain leaving the EU.
The programme, which was titled ‘Politicians For Hire: Cashing In On Brexit’, was scheduled to air tonight, but Channel 4 last night pulled it, saying: “We are continuing to work on the film, which will be broadcast soon.”
Mr Mitchell said he “smelt a rat” within minutes of arriving at the meeting.
Lord Lansley has referred himself to Parliament’s standards watchdog.
The former Health Secretary was targeted even though he is undergoing treatment after having cancer diagnosed last summer.
Mr Lilley, a Cabinet minister in John Major’s Government, said that he would report Channel 4 to Ofcom over what he described as a “tawdry attempt at entrapment” and the programme makers’ refusal to release a transcript to allow him to answer its claims.