Police - Powers - Police containing protesters at demonstration R (on the application of Castle and others) v Commissioner of Police for the Metropolis: QBD (Admin) (Lord Justice Pitchford, Mr Justice Supperstone): 8 September 2011 In November 2010, the defendant police commissioner received notification of a public procession and applications in respect of demonstrations contributing towards a ?national student walkout? on 24 November (the event). The defendant?s senior police officers who were responsible for policing major events were designed as gold, silver or bronze commander, depending on their role. On 23 November, the silver commander who was to be in tactical command of the event, CSJ, held an intelligence briefing. read more