Tory leader later insists there should be not ' bodily contact ' during debates . speakers expected to communicate with Farage on radio and television . Seven - way debates will be broadcast live on ITV from 8 pm tonight . Strict rules decided who will speak and when during half - hour show .
Tory leader later insists there will be not 'bodily contact ' during debate . Cameron expected to clash with Farage on immigration and Europe . Seven-way debate will be broadcast live on ITV from 8pm tonight . Strict rules decided who will speak and when during two-hour show .