SPOKANE, Wash. — Spokane City Council voted Monday evening to override Mayor Nadine Woodward's veto of an ordinance that prohibits the use of devices that emit high-frequency sound, known as mosquito ...

The Spokane City Council narrowly voted Monday to bar city businesses from using devices that emit a sharp noise to deter people from loitering or congregating nearby. Commonly referred to by the ...

When it came out in Britain in December, the Mosquito sound system was supposed to be the sonic equivalent of a "no loitering" sign. Its annoying, high-pitched sound -- which many adults can't hear ...

Spokane Mayor Nadine Woodward has vetoed a new ban on high-pitched noise machines used to deter loitering near downtown businesses. The veto will stand unless one of three Spokane City Council members ...

Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

Philadelphia parks officials have implemented a device called the Mosquito, which only people under age 25 can hear, in an effort to decrease... In Philadelphia, 30 parks and recreation centers are ...