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Broadmoor Sirens
The Broadmoor Sirens are a series of thirteen warning sirens based in towns and villages surrounding Broadmoor Hospital in Crowthorne, Berkshire, England. They were first installed in 1952 and are based on air raid sirens with the intention of warning residents living near the high-security psychiatric hospital of an escaped patient.
== History ==
The Broadmoor Sirens were installed in 1952 in response to a patient escaping from Broadmoor and murdering a child in Farley Hill, Berkshire before being recaptured. They were based on the two-tone air-raid sirens used in the Second World War. More sirens were added in the 1960s after discussions in the House of Commons raised the issue that the sirens' radius was insufficient for nearby towns such as Camberley and Wokingham. The sirens were created with the intention of warning residents in surrounding towns and villages to remain in their homes and keep their children supervised following the escape of a Broadmoor patient. The sirens are activated as a test at 10am every Monday to ensure they are working.〔 Despite this regular test, the sirens are susceptible to electrical interference. In 2014, the Bracknell siren was activated accidentally during an electrical storm.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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