HM Prison Birmingham was described by one source as the worst prison disturbance in a B category prison in the United Kingdom since the 1990 Strangeways Prison riot. The Birmingham riot caused about £2 million worth of damage.<ref name="bbc21/12/2016">HMP Birmingham riot repairs 'will cost £2m'</ref> This is the third serious incident within under two months, Riots previously happened at Bedford Prison and Lewes Prison and a subsequent riot happened at Swaleside Prison. After the riot inspectors found violence and illegal drug use were still problematic. Some prisoners felt unsafe. Prison wings damaged during the riot were not reopened until April 2017. There was
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