Top civil servant Sue Gray has been investigating a string of alleged lockdown-busting parties across Downing Street and Whitehall.
But the release date of her report was thrown into chaos today after the Met Police also announced it would investigate “a number of” gatherings to see if they broke the law.
Boris Johnson - who has said he's willing to be interviewed by police - was told about the development before it was revealed by Scotland Yard’s Commissioner Cressida Dick.