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
Maafushi Prison in protest at the government's failure to improve the poor conditions of overcrowding and inadequate lighting. Prisoners set the prison on fire in April, affecting the health centre, a workshop and a desalination plant, and on April 5 a raid on the prison found homemade bombs, knives, Islamic extremist literature and more. A further riot in October 2009 caused further extensive damage to the prison through arson. Trouble continued the following year, with 15 prisoners injured during a riot in April, and a petition by 236 Maafushi inmates in July to the president, asking for improvements to the prison. In