Boris Johnson boasted "I'd do it again" when confronted over Partygate leaving drinks at a showdown with his backbenchers.
The Prime Minister appealed to Tory MPs to keep him power rather than indulge in "pointless fratricide" ahead of tonight's no confidence vote in his leadership.
In a speech to the backbench 1922 Committee, Mr Johnson dangled the vague prospect of tax cuts and suggested he would stay on even if he wins by one vote, according to MPs present.