The national system for sending emergency alerts to mobile phones will be tested for the second time on Sunday 7 September.

Evacuation orders and an alarm sound were mistakenly sent to residents all over Los Angeles County. The alert was meant only for those affected by the Kenneth Fire.

When every phone alert sounds the same, Texans may miss the one that matters A crisis communication expert says everyday notifications are weakening the impact of life-saving emergency alerts.

Los Angeles County's top emergency manager said Saturday the county's overhaul of its emergency notification system is nearly complete after it sent out a succession of faulty emergency alerts ...

It is unclear whether officials failed to order alerts for west Altadena, or whether glitches in Genasys or officials' unfamiliarity with the new system could have played a role ...

Phones across the UK will sound a siren-like alert as part of a test for potential life-threatening situations ...

A drill for the national emergency alert system will take place next week, with phones across Suffolk to sound a siren and vibrate.

An emergency alert drill has been scheduled for next weekend, set to trigger a 10-second siren to more than 88 million mobile ...

A crisis communication expert says everyday notifications are weakening the impact of life-saving emergency alerts.

Genasys, a leading provider of emergency alert software, had a tempting pitch for California counties looking for a seamless way to send evacuations orders with a click of a button. Lured by a ...