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
Pudu Prison siege crisis inside the prison walls grew and anxiety increased. Large crowds began to gather outside of Pudu Prison every day, eager to find out what was going on inside. The high-rise buildings in the neighbourhood became watch towers for the public. The other prisoners there could see what the security forces were doing and planning in the canteen. The Malaysian Prime Minister Dato' Seri Dr Mahathir Mohamad, who was supposed to leave on an official overseas trip, stayed on in the federal capital to ensure the matter was resolved without bloodshed. This was conveyed to the police forces on scene