Originally created in 1942 as the Police Cliff Rescue Squad for the express purpose of recovering the bodies of suicide victims, or rescuing persons trapped on cliffs, the Police Rescue and Bomb Disposal Unit has undergone numerous changes and expansions over the years. Apart from responding to 000 (emergency calls) calls, the Police Rescue Unit provides specialist search and rescue support of operational police in situations of any risk category. This support extends from searches for evidence, to working with negotiators at extreme heights.