1990 Strangeways Prison riot April, HM Prison Durham, HM Prison Winchester and HM Prison Wandsworth on 4 April, and HM Young Offenders Institute Glen Parva on 6 April. The weekend of 7 April and 8 April saw protests across the prison system. At HM Prison Leeds there was a sit-down protest after the arrival of over 100 prisoners who had been transferred from Strangeways. At HM Prison Dartmoor, between 100 and 120 prisoners wrecked D wing of the prison, and 12 prisoners also protested on the roof of C wing unfurling a banner that read "Strangeways, we are with you". 32 prisoners from Dartmoor
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