A Christian group is responding to an atheist bus advert campaign which carried the slogan, "There's probably no God. Now stop worrying and enjoy your life".

The Trinitarian Bible Society is now launching rival posters for London buses which contain religious verse and details on how to obtain a bible.

Here, comedy writer Ariane Sherine who came up with the atheist campaign and David Larlham of the Trinitarian Bible Society debate the issues.