Matt Hancock allegedly sent a journalist a "menacing message" at 1am after his WhatsApp exchanges during the Covid pandemic were leaked this week.
Isabel Oakeshott, who was given the WhatsApp exchanges by the former Health Secretary while they were collaborating on his pandemic memoir, said it was clear that Mr Hancock was not happy after she gave him no advance notice about what she was doing.
The Telegraph published a string of stories based on more than 100,000 messages between Mr Hancock, aides and other top ministers during the pandemic.