So no one knows how long "as soon as possible" is, or who will be in the driving seat during that period.

BBC: Verdict: Prime minister's questions

He said Chief Constable Lynne Owens told Mr Hurley Siren "may no longer represent the best long-term option for the force and the public" soon after his appointment in November.

BBC: Surrey Police scrap multimillion-pound computer system

East said he had no idea on exactly how long the feasibility study would take, but it would start "as soon as we can".

BBC: Essex consider use of London 2012 Olympic Stadium