If areas such as Ruislip, where residents campaigned successfully for the route to go underground, why not Ealing?

BBC: Ealing battles to get HS2 to go underground

Ruark, who was 23 at the time of the murder, had moved from Ruislip to Cirencester, Gloucestershire in the years after the murder.

BBC: How science caught up with killer

Laboratory technician Heena Solanki, 34, and daughters Jasmin, nine, and Prisha, four, were found in the bedroom of their homes in Ruislip, west London.

BBC: Ruislip deaths: 'Chemicals' killed woman and children

Ealing, run by a Labour council, is more densely populated than Ruislip, which is in the jurisdiction of the Tory-led Hillingdon Council, and many will begin to wonder if politics is coming into play.

BBC: Ealing battles to get HS2 to go underground