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An electronic device known as the Mosquito is being used by police to help disperse groups of anti-social youths in the Tandridge area of Surrey.
The small box emits an ultra high-pitched sound which is said to be only audible to young people.
The Mosquito can be used over a range of 20m. The piercing sound is ‘so irritating and intolerable that young people… move away within minutes’. Tandridge covers towns like Lingfield, Oxted, Godstone and Caterham.
Author –
Publication BBC
Date 14 May 2006