edinburgh british outsourcer g4s suspend nine members staff immigration removal center investigate bbc report allege abuse treatment migrants company say friday receive write allegations abhorrent conduct brook house basis deem serious enough suspend staff involve spokeswoman g4s say say company yet see footage allege incidents however bbc panorama flagship documentary program say website investigation reveal chaos incompetence abuse treatment migrants program air next week incident report police spokeswoman say officer immediately able comment kind behavior allege completely unacceptable great disservice vast majority staff great job difficult circumstances spokeswoman say issue highlight difficulty run sensitive service government potential reputational damage outsource company early year investigation g4s-run medway secure train centre result allegations abuse mistreatment youngsters center run government national offender management service brook house near gatwick airport staff 200 employees around 500 occupants 14,000 people pass last year unit house mix fulfil visa requirements criminals deport g4s suspend nine staff uk migrant center say investigate conduct