Dominic Cummings has claimed more "damaging stories" will continue to be leaked even after Sue Gray has published the findings of her report until Boris Johnson quits.
Downing Street staffers have been too scared to submit all the evidence they have to Ms Gray's investigation in fear the Prime Minister "will see everything" Mr Cummings has claimed.
Whitehall enforcer Ms Gray is expected to release the full details of her inquiry from as early as tomorrow.
