Witness: Black History Collection

In July 1981 race riots broke out on the streets of Liverpool. It was the first time that British police used CS gas to control civil unrest in mainland Britain. Witness has been hearing from a man who took part in the riot. (Photo: Lines of police with riot shields face a group of youths during riots in the Toxteth area of Liverpool, July 1981. Credit: Keystone/Hulton Archive/Getty Images)