Why would they do that? What would have been the point of submitting it in the first place if you then have to lay out huge legal expenses to stop a national newspaper from releasing it?

I think it's patently clear that they've left their house because of the seething pack of journos camped outside.

If you are fancying a conspiracy theory or two, what about the angle that Boris has paid a couple of hitmen to "deal with them"? He's got form, apparently, after being recorded another time dallying with just such a scenario.