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 was staged as a diversion by twelve men including Brenden Abbott, to assist a mass escape from the prison. During the two weeks prior to the riot they collected 3 litres of fuel from lawnmowers, which they managed to conceal in their drink bottles. Fremantle Prison was built using convict labour during the 1850s, based on the design of Pentonville Gaol, and was used as the maximum security prison for male offenders in Western Australia. During the 1890s the size of the cells were doubled by removing an adjoining wall between two cells. The conditions in the cells remained unchanged