The former home secretary has written to Suella Braverman and Robert Jenrick demanding answers.

Former cabinet minister Nadine Dorries said she was quitting with immediate effect in June but has yet to formally resign.

London Mayor Sadiq Khan said ‘let’s wait and see how many people put their names forward’ after Jeremy Corbyn hinted at running.

The Cabinet Office had sought to withhold documents it regarded as irrelevant to the inquiry’s work.