1990 Strangeways Prison riot April, and 40 prisoners held a prison officer hostage for twenty-four hours after taking over a hall at HM Prison Shotts on 10 April. On 12 April, two teenage remand prisoners at HM Prison Swansea barricaded themselves into their cell for seventeen hours, and on 22 April between 80 and 100 remand prisoners staged an eighteen-hour rooftop protest at HM Prison Ashfield in Pucklechurch. On 2 April newspapers reported a weekend of "anti-authority violence", as in addition to the Strangeways riot the Poll Tax Riot had occurred in London on 31 March. Reports of the violence at Strangeways included kangaroo
2012 Welikada prison riot actions and has called on the government to carry out a "thorough and credible inquiry" into the riot. The European Union has urged the authorities to ensure that the investigations into the riot are carried out impartially and speedily. 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