Channel 4 News on Instagram: "Following days of political turmoil and speculation - Sir Chris Wormald is standing down as the head of the Civil Service - after just over a year in the post. Three top civil servants will share the job for now - including Dame Antonia Romeo who is widely tipped to take over. However last night in an interview on Channel 4 News Lord Simon McDonald said "the due diligence needs to be thorough" in terms of vetting Dame Romeo for the post. The Cabinet Office has said