Gangs in the United Kingdom

Gang-related organised crime in the United Kingdom is concentrated around the cities of London, Manchester and Liverpool and regionally across the West Midlands region, south coast and northern England, according to the Serious Organised Crime Agency. With regard to street gangs the cities identified as having the most serious gang problems, which accounted for 65% of firearm homicides in England and Wales, were London, Birmingham, Manchester and Liverpool.

Source: Wikipedia — Gangs in the United Kingdom (CC BY-SA 4.0)