Most drivers pull over when they hear an ambulance siren. But not everyone knows that each sound signals a different stage of ...

Police officers in the United Kingdom thought that something was wrong with their cars when they kept hearing a strange noise that sounded convincingly similar to their sirens, video shows. Cops from ...

CULVER CITY, CA — Police cars in Culver City are now equipped with additional, distinctive-sounding sirens — and if residents happen to hear the alarm, it means it's time to evacuate. Culver City ...

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