GETTY Ukip leader Nigel Farage will appear alongside Cameron in an ITV debate

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The Brexit campaigner will appear on ITV's Cameron and Farage Live, to be broadcast on June 7 and moderated by Julie Etchingham. Mr Farage last shared a stage with Mr Cameron in a debate ahead of last year's General Election – but in this case the two men will not go head-to head. Mr Farage last shared a stage with Mr Cameron in a debate ahead of last year's General Election – but in this case the two men will not go head-to head. They will take part in separate question-and-answer sessions with an audience of 200 voters – with Mr Farage taking the floor first.

Another debate – featuring yet-to-be announced political leaders – will be broadcast from 8pm to 10pm on June 9. But Mr Cameron has been accused of being "lily-livered" over his decision not to take part in a head-to-head debate. Ex-London mayor Boris Johnson has made clear he wants to debate the Prime Minister, saying: "I think I'd look a bit of a wimp if I said no."

GETTY The under-fire Prime Minister believes Britain should remain in the EU

The referendum is enormously important for Britain Michael Jermey

Michael Jermey, ITV's Director of News and Current Affairs, said: "The referendum is an enormously important event for the future of Britain. "We know our viewers want to make an informed decision and these live programmes. "Across the two programmes there'll be an opportunity for different shades of opinion from both camps to express their arguments."

GETTY The Vote Leave campaign hit out at ITV for signing up Farage

But the Vote Leave group – which Farage is not a part of – accused ITV of "stitching us up" by signing up the Ukip leader. An insider said: "As the designated campaign for Leave, it is up to us to decide who David Cameron faces in any TV programme, not them. "What ITV has done is a disgrace and we believe illegal. We are prepared to sue ITV to stop this, and we will see them in court."

Nigel Farage in pictures Mon, April 3, 2017 Nigel Farage is a British politician who has been the leader of the UK Independence Party since October 2016. Play slideshow Getty 1 of 48 Nigel Farage in pictures