Conservative backlash at new Defence Secretary Gavin Williamson

Gavin Williamson has described himself as "honoured and excited" to be appointed Defence Secretary - but his rise to a leading Cabinet role has sparked concern among Conservative colleagues.Theresa May's former chief whip has been promoted to replace Sir Michael Fallon, who resigned on Wednesday night amid the sleaze scandal engulfing Westminster.Mr Williamson has not previously served in a senior departmental role, and his lack of ministerial experience has caused consternation among Tory MPs.