Residents who lived in the west side of Altadena did not receive an evacuation order until 3:25 a.m., which was hours after ...

Despite upgrades to wireless alerts system, emergency warnings were often ineffective when most needed during the Los Angeles ...

The public were being urged to expect an emergency alert sound on their mobile phones this afternoon. The alert caused devices to vibrate and let out a 10-second siren-like sound, even if it was ...

The FCC, in the words of soon-to-depart Chairwoman Jessica Rosenworcel, has taken “a major step forward” in expanding multilingual Wireless Emergency Alerts in response to public feedback.

A 10-second siren will sound on millions of UK mobile phones this year as part of a test of the government's emergency alert system. The alert, for which a date hasn't yet been revealed, was announced ...