Sir Keir Starmer ousted Sue Gray as his chief of staff on Sunday after she lost a power struggle at the heart of Downing Street.Ms Gray has been shifted to a part-time role as the Prime Minister’s envoy for the “regions and nations”,

Ms Gray has been a high-profile figure in the Prime Minister’s top team since she was appointed as chief while Labour were in opposition last year.

Ms Gray was catapulted from anonymity to front-page news when she headed up the investigation into lockdown-busting parties in Number 10.

As Sue Gray quits as Downing Street chief of staff, Yahoo News looks at who the longstanding civil servant is and what the reaction is to her departure.

Sue Gray has dramatically resigned as Keir Starmer’s chief of staff - sparking a major shake-up inside 10 Downing Street. The announcement came following weeks of behind-the-scenes rows among the prime minister’s top team. Gray said recent speculation about her future had become “a distraction to the government’s vital work”.

The departure of the top civil servant and partygate investigator comes following weeks of negative briefing and infighting that overshadowed Labour's party conference in Liverpool.

Sir Keir Starmer has conducted a massive shake-up of his misfiring Number 10 team, with Sue Gray, his controversial chief of staff, quitting her post after only three months in Downing Street. Gray’s departure,

Sue Gray has quit her role as Prime Minister Sir Keir Starmer's chief of staff, saying she "risked becoming a distraction". She had been caught up in rows over pay, after the BBC's political editor revealed her salary was higher than Sir Keir's,

Sue Gray has resigned as Sir Keir Starmer’s chief of staff, it has been announced today, and will take up a new role in government. The outgoing chief of staff said the decision to step down came as a result of “intense commentary” around her position,