Boris Johnson's allies yesterday said he will 'start fighting back' after details of alleged visits by friends in lockdown were sent to detectives. The growing threat of revolt in the Tory ranks came as the former Prime Minister ditched his government-appointed lawyers and No10 was forced to deny it shopped him to the police over fresh Partygate claims. One of Mr Johnson's closest allies claimed there had been 'treachery' from the 'leadership'. The supporter said: 'Boris has had enough now. He is going to start fighting back. It is appalling what has happened to him.