Battlelines have been drawn for the only major TV debate of the election campaign, when seven party leaders will go head-to-head in a two-hour marathon. Tory leader David Cameron, Labour's Ed Miliband and Lib Dem Nick Clegg will share a platform with Ukip's Nigel Farage, SNP leader Nicola Sturgeon, the Green Party's Natalie Bennett and Plaid Cymru's Leanne Wood. Strict rules released by broadcaster ITV for Thursday's night's event spell out in minute detail who will speak when, and for how long, with host Julie Etchingham trying to keep order. Scroll down for video From left to right the line up will be: Natalie Bennett (Green), Nick Clegg (Lib Dem), Nigel Farage (Ukip), Ed Miliband (Labour), Leanne Wood (Plaid Cymru), Nicola Sturgeon (SNP) and David Cameron (Conservative).Strict rules revealed on who will speak and when during two-hour showITV draws lots to agree which podium each leader will stand behindJust four 'substantial election questions' will be asked during the nightITV newsreader Julie Etchingham will keep order with just on ad break
Names drawn out of a hat also helped to decide who will get to speak first, with Ms Bennett opening proceedings and Mr _ having the final word by giving the last closing remarks. _ have accused the Tory leader of being 'chicken' for refusing to go up against Mr Miliband. Labour have accused the _ leader of being 'chicken' for refusing to go up against Mr Miliband.