SIR Keir Starmer has ousted his top civil servant in yet more turmoil at the heart of government.

The PM removed Chris Wormald after just over a year as Cabinet Secretary amid concerns he was not delivering.

British Prime Minister Sir Keir Starmer departing 10 Downing Street.Keir Starmer has had a week that has rocked his premiershipCredit: Alamy

The role has temporarily been split among three top mandarins while a successor is appointed.