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 2012 Welikada prison riot The Welikada prison riot was a prison riot that occurred on 9 November 2012 at Welikada Prison in Sri Lanka. The riot broke out during a search for illegal arms. The riot left 27 people dead and 40 injured. The government has appointed a committee to investigate the riot. Welikada Prison, which has around 4,000 prisoners, has witnessed a number of violent riots in its history. This prison riot was the worst in Sri Lanka's history since the 1983 riot, also at Welikada Prison, which left 53 prisoners dead. At around 1.30 pm local time on