HM Prison Birmingham was described by one source as the worst prison disturbance in a B category prison in the United Kingdom since the 1990 Strangeways Prison riot. The Birmingham riot caused about £2 million worth of damage.<ref name="bbc21/12/2016">HMP Birmingham riot repairs 'will cost £2m'</ref> This is the third serious incident within under two months, Riots previously happened at Bedford Prison and Lewes Prison and a subsequent riot happened at Swaleside Prison. After the riot inspectors found violence and illegal drug use were still problematic. Some prisoners felt unsafe. Prison wings damaged during the riot were not reopened until April 2017. There was
Fremantle Prison riot except for lighting and basic toilet facilities. The prison population was divided into 4 divisions; 3 division housing violent prisoners and 4 division housing murderers and those serving long term sentences. The morning of the riot began as an ordinary day would, with cells unlocked at 7:00 am. There was a "scuffle" between a prisoner and guards over the time taken to leave his cell – resulting in that prisoner being sent to solitary confinement – but that was not particularly unusual. Later that morning the prisoner was released into the exercise yard, where he reported to his fellow prisoners