02/06/2013 06:29 BST | Updated 02/06/2013 06:39 BST

Mail On Sunday Claims 'Secret Affair' Has Rocked Downing Street

A general view of the door to 10 Downing Street in Westminster, London.

Downing Street has been "rocked" by news of a secret affair, the Mail on Sunday tells us. That's about all they're saying.