WHY DO I HEAR SIRENS IN DENVER, LAKEWOOD?

DENVER (KDVR) — As part of an annual test of emergency notification systems, Denver and Lakewood will test sirens Wednesday morning.

Denver will test sirens throughout the city and around Denver International Airport at 11:00 AM. The city expects this to take approximately three minutes.

At the same time, Lakewood will be testing its outdoor sirens starting May 11. The city expects the tests to be completed by 11:30 a.m.

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