Revealed: Cressida Dick sought £500,000 to quit as Met chief

Exclusive: documents show tense exchanges between senior aide and London mayor's office over ousting

Cressida Dick sought 500,000 to stand down as Metropolitan police commissioner after the mayor of London, Sadiq Khan, ousted her over a litany of scandals, documents reveal.

Her tenure has been under renewed scrutiny in recent weeks with the revelation that the serial rapist David Carrick was kept on duty under her leadership despite being arrested on suspicion of rape.