Luke Davidson on MSN

From Canada to Japan, these emergency alerts are built to scare you awake

This video reacts to emergency alert systems from countries around the world and compares how different they sound. It ...
9NEWS

Denver to test sirens and wireless emergency alerts

DENVER — The Denver Office of Emergency Management will conduct a test of its outdoor warning sirens and wireless emergency alert system Wednesday morning. During the test, which is scheduled for 11 a ...