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.
More top news
Police are investigating the circumstances of the death of a man following an industrial accident at a farm in Sleaford.
CCTV images have been released after a man was stabbed in the arm and face on a bus in Handsworth over the Bank Holiday weekend.
Police are appealing for the owner of the dog to come forward after it bit the girl on the finger.