MI5 have flagged a serious security threat from bogus roadmenders. The service has noted over a dozen incidents where roadworks were carried out, but were not authorised by the local council, and were not traceable to a recognised utility company. The roadmenders vans often bear the names of genuine companies and claims to be working as subcontractors for legitimate companies, or for Thames Water. The signage, the traffic cones, and the complete absence of any work happening,