Add Yahoo as a preferred source to see more of our stories on Google. FILE: San Francisco's outdoor public warning system sirens are not likely to reactivate, even amid reports of possible drone ...

Grandville has a new plan to upgrade its aging outdoor emergency warning sirens. The control systems currently use technology ...

So-called ‘tornado sirens’ are not always activated in response to tornadoes. Here’s everything you need to know.

HONOLULU (KHON2) — Leeward Oahu residents were awoken to the activation of an emergency siren at around 12:15 a.m. Saturday. The Hawaii Emergency Management Agency assured the public Saturday morning ...

PROVIDENCE, R.I. (WPRI) — People in Providence may be able to hear a loud siren on Friday, but officials say there is no cause for alarm. The city’s emergency management agency is testing the Port of ...