"Politicians must take responsibility for the system", according to the Shadow Work and Pensions Secretary Teresa May.

During the BBC's Question Time programme, she said the only way to "restore confidence in politicians is the behaviour of politicians".

Prosecutors are due to reveal whether they intend to bring criminal charges against six MPs and peers over their expenses claims.

Watch the full debate at the Question Time website.

Or go directly to the section of the programme where the panel discussed MPs' expenses