By mistake, the evacuation alert went out to cellphones across all of Los Angeles County. To make matters worse, repeated false alerts were reported to have been sent out 11 times.

The report commended L.A. County for responding quickly in canceling the alert within 2 minutes and 47 seconds and issuing a corrected message about 20 minutes later, stating the alert was sent ...

HONOLULU — Hawaii emergency management officials knew for years that an employee had problems performing his job. Then, he sent a false alert warning of an imminent missile attack earlier this month.

The false alert was “not being activated or initiated by a person,” he said at the time, blaming an unknown technical glitch that officials had not yet been able to identify and fix.

MISSISSAUGA, Ont. — Peel Region Police say a Mississauga, Ont. woman who made a false report about an abduction that initiated an Amber Alert is now facing charges. Police say a witness told ...