Mr Williamson, 41, who was made Defence Secretary following the resignation of Sir Michael
Fallon over sexual harassment claims, insisted the relationship had not gone beyond kissing «a couple of times».
The former Lib Dem chief executive Lord Rennard is considering taking civil action against the party after being suspended and facing another inquiry after refusing to
apologise over sexual harassment claims.
Mr Williamson was made Defence Secretary by Theresa May (pictured) following the resignation of Sir Michael Fallon over sexual harassment claims