Panellists: Robin Cook,Stephen Dorrell, Ruth Lea, Emma Nicholson.

Panellists: Kenneth Clarke, Ruth Lea, Peter Mandelson, Shirley Williams.

Panellists: Geoff Hoon, Ruth Lea, Caroline Lucas, Eric Pickles, Dan Snow.

Panellists: Ken Clarke, John Denham, Chris Huhne, Ruth Lea, Michael Nazir-Ali.

Panellists: Peter Hain, Chris Huhne, Ruth Lea, Derek Simpson, Caroline Spelman.

David Dimbleby chairs the debate in Middlesbrough with panellists including the veteran Labour politician Lord Hattersley, the former deputy governor of a province of occupied Iraq and prospective Conservative parliamentary candidate Rory Stewart, the Liberal Democrat MP Lynne Featherstone, the economist and former head of policy at the Institute of Directors Ruth Lea and the actor and novelist Tom Conti.

David Dimbleby is joined in Hartlepool by the Immigration Minister Damian Green, Labour's Sadiq Khan, UKIP's Nigel Farage, the RMT leader Bob Crow and the economist Ruth Lea.

David Dimbleby chairs from West Bromwich. On the panel are justice secretary Ken Clarke, shadow health secretary Andy Burnham, general secretary of the Unite trade union Len McCluskey, economist Ruth Lea and Midlands businesswoman of the year Julie White.

David Dimbleby presents Question Time from Ilford, East London. On the panel: Conservative business minister Anna Soubry MP, Labour's shadow leader of the House of Commons Chris Bryant MP, UKIP's Douglas Carswell MP, economist Ruth Lea and novelist Irvine Welsh.