A device emitting a soundwave which is designed to drive young troublemakers away from a problem area of Swindon has been hailed as a success. Listen to the sound online. The 'Mosquito' sonic deterrent device was installed by the Wyvern Theatre in an attempt to stop groups of up to 100 youngsters from gathering around Theatre Square. Click below to listen to a feature about the 'Mosquito' device f
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