A conspiratorial group of extreme Brexit lobbyists mounted an extraordinary campaign against one of the world’s most prestigious science journals – part of a series of joint investigations between Byline Times and Computer Weekly.

The leaked documents have been published on a site with the URL “sneaky strawhead” in an apparent knock at Johnson’s tousled hairstyle.

The former head of MI6 has warned Theresa May’s Brexit deal will “threaten the national security of the country”, in a call for Tory MPs to reject it. The agreement would “place control of aspects of our national security in foreign hands”, claims Sir Richard Dearlove, in an extraordinary letter to Conservative associations.