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Air Raid Sirens

Air Raid Siren

Sirens To Be Tested Over Several Days In Naperville

If you’re in Naperville on a clear, sunny day and an air raid siren begins to wail, don’t worry. It’s only a test.

CBS Chicago–07/06/2011

Air Raid Siren

Downers Grove Officials Change Warning Siren Policy After Tornado

Minutes count when a tornado is approaching, and that is where sirens can save lives.

CBS Chicago–07/05/2011