The 1995 memo is among a tranche of newly public documents at the National Archives at Kew.
Liam Fox says Johnson's refusal to answer questions risk becoming a "distraction" in the Tory leadership contest.
'Unacceptable' or 'strong public interest'?
Read more on The Huffington Post The results, from a sample of 1,700 people, showed 30% of people believed Clarke "knew what
Richard Dearlove is in a lonely place. Arguing that Britain is at risk within the EU sets him against the most recent former chiefs of MI5, MI6 and GCHQ as well as every other NATO member and former NATO Secretary Generals. They have all made clear that Britain is stronger, safer and more secure remaining in the European Union.
One of Britain's biggest newspapers has launched a blistering attack on the commissioner who ruled against it in an investigation
I enjoy poking fun at politicians. It's good for them and keeps them on their toes. But I also acknowledge that we need them - honest, capable men and women who are prepared to put in long hours getting on with the kind of mind-numbingly tedious, detailed business of politics that would drive the rest of us to distraction.
Former foreign secretary Jack Straw will take a job with an office furniture firm that won a £75 million government contract
The Conservative party has suspended the whip from Sir Malcolm Rifkind after he was caught in a cash for access sting by
Tony Blair has issued a fierce defence of Jack Straw, his former foreign secretary, after he was caught in a cash for access