"Oh, and by the way, don't even think about deleting any WhatsApp messages. You must not delete your photo gallery from 18th December 2020, either. Don't do any of that stuff, okay? Its REALLY important that you don't do these things. Or any other things you might think of"
EXCL: No 10 staff have received an email this evening warning that some of them will be contacted by the internal investigations team in the coming days to give evidence.
It directs them to "not destroy any relevant information" relating to Christmas parties last year.