Boris Johnson said it is "a peculiarity" that the inquiry into whether he lied to MPs will rely on evidence by partygate investigator Sue Gray as she will be working for Labour. But the Privileges Committee defended its probe, saying it is “not based on the Sue Gray report”, which last year detailed lockdown-breaking, booze-fuelled parties in Downing Street during Mr Johnson’s leadership. The former prime minister and his allies have used Ms Gray’s planned move to Sir Keir Starmer’s office to try to discredit the cross-party panel’s inquiry into whether he lied to the House of Commons over lockdown breaches.