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
2012 Welikada prison riot handcuff the prisoners but they objected and arguments and fighting broke out between the STF commandos and the prisoners. Some prisoners alleged that they had been stripped and beaten up. The prisoners started throwing stones and other objects at the STF. As the disturbance grew the STF tried to suppress the riot using tear gas but at around 4.30 pm prisoners working in the "Bingo" section broke into the main area and also started fighting with STF. The STF and the prison officials had to retreat from the prison. The prisoners took control of the prison and a siege ensued