Boris Johnson has said it was "right" for him to attend a Number 10 staffer's leaving do during the height of lockdown.
The Prime Minister, who only hours earlier had apologised for the raucous behaviour in Downing Street on his watch, justified toasting with colleagues while the rest of the nation was living under strict Covid rules.
Mr Johnson, facing journalists at a hastily arranged press conference this afternoon, said: "I was saying farewell to valued colleagues.