Why did the strangeways prison riot in 1990 happen?

The Strangeways prison riot in 1990 was triggered by a combination of overcrowding, poor living conditions, and inmates' frustrations over inadequate facilities and treatment. The immediate cause was a protest against the prison's restrictions and the deteriorating state of their environment. The riot escalated over several days, resulting in significant damage and highlighting broader issues within the UK prison system. Ultimately, it drew attention to the need for reform in how prisons were managed and the treatment of inmates.