No charges have been made and Ch Supt Andy Bickley described the customers as "extremely brave".

BBC: Bookmaker gunman: Alan Levers' family say 'no revenge'

Sgt Mark Bellingham, of the force's gang task force, said the statement made by former Ch Supt Coughlan to the BBC in 2009, was too optimistic.

BBC: Birmingham street gang eradication in 2013 'unrealistic'

"Most of the premises over a six-month period have either not lost any money, so it's cost-neutral still, or in some cases they have actually made some extra money, " said Ch Insp Mason.

BBC: Street drinker