No.10 rocked by secret love affair: 'Stunned' PM holds crisis talks over fears tryst will 'blow political agenda out of the water' Identities of people involved or details of relationship cannot be disclosed They are middle-aged figures and the affair has now concluded Mr Cameron was ‘stunned’ when told the identities of alleged lovers He ‘immediately realised the importance of the story’, sources revealed 'None of us could believe it when we first heard it' said senior source David Cameron has held crisis talks at Downing Street after being told of allegations of a sensational love affair which has potentially...