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 ...

Phones across the country are going to blast a siren sound this weekend as the government tests a huge emergency alert system – with a few exceptions. This Sunday September 7 at 3pm, most mobiles and ...

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 ...