The UK's Emergency Alert system is set for a test run this weekend, with an alarm expected to reach millions of devices nationwide. This countrywide alert trial will allow the government to ensure the ...

An emergency alert test message from South Pasadena was accidentally sent to mobile phones across Los Angeles County Tuesday night. Just before 6 p.m., phone screens across the Southland lit up with a ...

The British government has announced a nationwide test of the UK emergency alert system to ensure it functions effectively during real life-threatening emergencies. Compatible phones and tablets ...

An emergency alert test message from South Pasadena was accidentally sent to an estimated 10 million mobile phones across Los Angeles County Tuesday night. Just before 6 p.m., cell phone screens ...

Cell phones across Houston will ping with an Amber Alert-style warning at 11 a.m. Friday as city officials test the emergency messaging system. "This (wireless emergency alert) message would be for a ...