Cabinet secretary contenders: who could be next top UK civil servant?

Ex-Ofcom boss Sharon White and Brexit negotiator Olly Robbins could be among names in frame for key role

Simon Case has resigned as cabinet secretary and is due to leave at the end of the year. His departure kicks off a race to be his successor, with a job advert already circulated to attract a wide pool of applicants. To date the job of cabinet secretary has only ever been held by white men.