The Chief Inspector of Constabulary, Tom Winsor, has told The Times that there are "cities in the Midlands where the police never go because they are never called."
In the article, he said that some minority communities are taking the law 'into their own hands'.
Chris Sims, chief constable of West Midlands Police, told The Times that areas with a high density of minority communities accounted for high volumes of calls to his force.
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A 'vicious thug' who killed a man by hitting him with a wine bottle and stamping on his head in Birmingham has been jailed for life.