Defence secretary refuses to answer questions about relationship with past colleague

Gavin Williamson tells Mail of relationship hours after his lawyers refuse to answer Guardian questionsGavin Williamson, the defence secretary, has refused to answer a series of questions about the circumstances surrounding a relationship with a colleague which he disclosed in a Daily Mail interview.Williamson, who has been tipped as a future prime minister, gave the interview during a day of frenetic activity during which he also made a keynote speech to parliament and raised eyebrows with an i