[1]: 44 The last detention centre near the High Island Reservoir in Sai Kung was closed in 1998, bringing an end to the CSD's Vietnamese boat service.
[1]: 41 In 1978, the Government decided to convert the former Royal Air Force Base into the Kai Tak Refugee Camp and let the Prison Department take over, and since then it has been involved in the management of Vietnamese migrants.
[2] In the same year, the Prison Department cleared the inmates of the Ma Po Ping Addiction Treatment Centre in Tong Fuk, Lantau Island, and opened an additional camp.
[1]: 45 The adoption of the Comprehensive Plan of Action led to more stringent checks on migrants and more deportations back to their home countries or repatriation to other states more willing to accept refugees.
[5] As a result, the department has to continue to set up detention centres and even designate the industrial buildings in Tuen Mun as temporary accommodation for boat people to meet their urgent needs.