UK: Boris Johnson Faces Massive Tory Revolt [It's Over]

Defying parliamentary convention he is refusing to resign, for now. But the writing is on the wall. 

Live coverage here.

Update: It's over and it ended the only way it could have. Although he is dragging his feet, Johnson has agreed to go. 

Boris Johnson's First Appearance in the Commons as PM

I think he held up well in the more than 2.5 hours of questions and commentary. And yes, I did get the feeling that he was already campaigning in the next general election.