in england, the counties of hampshire, leicestershire, surrey, sussex, gloucestershire, cambridgeshire, bedfordshire, norfolk, derbyshire, suffolk, thames valley, wiltshire, and somerset, and the london metropolitan police service, have adopted a similar program called the child rescue alert system. sussex was the first to launch the system, on november 14, 2002. it is based on and has alert requirements similar to the american system.