Vote Leave campaigner and SNP leader among six panellists for the two-hour-long show.
Ukip-backed Leave.EU branded move as 'absolutely unprecedented and unconstitutional'.
The chancellor made the claim in an interview with the BBC.
The result of the referendum will hinge on how Labour supporters vote – but at the moment it's Tory vs Tory.
An average of four million viewers tuned into the 9pm show on 7 June says ITV.
Cameron used similar tactics to his General Election move of linking contentious issues to the economy.
The PM backs the Remain campaign while Farage is firmly in the Brexit camp.
Remain camp is failing to make coherent arguments about the benefits of immigration.
Ukip leader launched the attack advertisement against the pro-EU PM in Westminster.
Ukip leader says 'cultural differences' could put women at harm as seen in Cologne NYE sex attacks.
The Ukip leader could win £2,500 if the UK votes to leave the European Union.
Ukip leader tells IBTimes UK that he wants a more 'robust' economic case for Leave.
Brexiteers urge Asian immigrants to turn on the Eastern Europeans who followed them to build a better life.
Opponents and supporters of Ukip came face to face in the town.
Ukip leader says he could find more pro-EU stars by knocking on £500m houses in Notting Hill.
Our borders remain wide open to anyone from the EU, and Germany now calls all the shots.
Eurosceptic MP suggests resentment within the Conservative Party could drive a push for a further ballot.
Zany Brexit campaign highlights intense divisions within the Conservatives and exposes the limits of Boris.
Grillo said he wants to see when Khan 'blows himself up in front of Westminster.'
Top Labour MP says that Brussels has been a 'strong friend to British women at work' despite its shortcomings.
Row erupted after the official Brexit campaign accused the broadcaster of being left out.
IBTimes UK spoke to Ukip's Nigel Farage, Labour MP Kate Hoey and Tory MEP Dan Hannan off the red carpet.