The prime minister gave up on answering a question about whether it was time to tell his deputy Nick Clegg who was "the boss".

After starting to answer in front of laughing MPs, David Cameron first said it was time to try and answer the question again before admitting: "I think I am going to give up on this one". He then sat down next to Mr Clegg.

Tory backbencher Nadine Dorries was unhappy with the influence of the Liberal Democrats on policies including immigration and abortion.