Boris Johnson has said he "briefly attended" Downing Street lockdown gatherings but didn't know at the time that they "went on far longer than was necessary".
The prime minister told the Commons he went to thank staff because it's "one of essential duties of leadership" and to keep morale as high as possible" during an intense period dealing with the pandemic.
He added: "I had no knowledge of those subsequent proceedings because I wasn't there."
The PM said he had been as "surprised and disappointed as anyone else in this House as the revelations" came to light and that he was "appalled" by some of the behavi...