The SPF - the organisation representing Scotland's police officers - told BBC Scotland News an armed response vehicle (ARV) had been deployed, but was not given authorisation to take action.

Police were told that three men wearing dark ... Mr Blake was one of three firearms officers who were parked in an Armed Response Vehicle (ARV) in Kirkstall Gardens, a residential road in Streatham.

Police swarmed a city estate in an blitz on nuisance bikers - in an operation that saw the plane circling the neighbourhood.

Police swarmed a city estate in an blitz on nuisance bikers - in an operation that saw the plane circling the neighbourhood.