The Hong Kong Police Emergency Unit (EU) was established in 1927 as part of the Police Regional Operations Division of the Operations Department of the Hong Kong Police Force, and is a quasi-military unit with primary responsibility for conducting mobile patrols, dealing with emergencies (including disaster support), responding promptly to 999 emergency calls, supporting uniformed patrol teams, arriving to provide additional uniformed police officers and providing first-line assistance, setting up emergency roadblocks, conducting anti-crime patrols, escorting valuables, assisting the Immigration Department and Correctional Services Department in escorting prisoners and maintaining internal security, etc. They are also responsible for setting up emergency roadblocks, conducting anti-crime patrols, escorting valuables, assisting the Immigration Department and Correctional Services Department in escorting prisoners and maintaining internal security.
