Election 2015: David Cameron: 'Our vision is positive'

Sarah Montague's interview with Prime Minister David Cameron, included question about negative campaigning, his statement on 30 March and the NHS funding gap.

When asked about if he was running a negative campaign by mentioning Ed Miliband three times in the statement on 30 March, an unusual move for a Prime Minister, David Cameron replied that he 'didn't think there was anything impolite about yesterday'.