They happened during April 1990 and began as a protest against poor conditions, overcrowding and harsh treatment of inmates.
It lasted 25 days making it the longest prison disturbance in the UK.
The riots caused major damage and led to significant reforms in the prison system. Authorities began to improve conditions and more rehabilitative approach was introduced. It is now called HMP Manchester. These news pictures recall the events as they unfolded.

9. Strangeways Riots
Prisoners on the rooftop of Strangeways Prison (now HM Prison Manchester) during a riot in protest at conditions in the jail, April 1990. The rooftop protest lasted from the 1st to the 25th April. (Photo by Tom Stoddart/Getty Images) | Getty Images


