UK Covid inquiry: Boris Johnson is asked why his phone is missing 5,000 WhatsApp msg's...

Boris Johnson is asked at the Covid inquiry: 'Why was your phone was missing 5,000 WhatsApps?'.. He replies: 'It looks as though it's something to do with the app going down and then.. umm.. coming up again... But, somehow.. automatically.. ummm.. erasing all the things between that date when it went down and when it was last backed up'...