There was no evidence that Iran has been building a nuclear bomb, said a former British foreign secretary.

Jack Straw said he was not naive about Iran, but things were looking "more hopeful" with the new president-elect Hassan Rouhani.

He was debating with columnist Melanie Phillips who claimed on a recent Question Time that Iran should be "neutralised" and she was asked on the Daily Politics how that could be achieved.

The pair disagreed on whether Iran should be invited to a peace summit.

Watch more clips of films and interviews from 2013; Watch Sunday Interviews with Andrew Neil; Watch our soapbox films; Watch full programmes from the last seven days via BBC iPlayer; Social networks: 'like' us on Facebook page or 'follow' us on Twitter