Kevin McGowan, director of L.A. County's Office of Emergency Management, said that the problem was caused by a software ...

The alert causes phones and tablets to vibrate, read the alert aloud and emit a loud siren-like sound, even if the device is ...

The government's Emergency Alert System, which causes a 10-second siren to sound on UK mobile phones, is set to be tested ...

An 'Armageddon' emergency alert will be sent to millions of phones again in a nationwide test. Here is everything you need to ...

The emergency alert system, which will send a loud siren and vibration to people's phones, will be tested in a few months but ...

The UK's Emergency Alert system - which is used to warn people about dangerous situations, such as floods or wildfires - will ...

A Code Blue alert will start in Lebanon County on Sunday, Jan. 19, at 5 p.m. and is set to end Friday, Jan. 24, at 10 a.m.

Brits are set to receive a 10-second alert as millions of phones will blare out an 'Armageddon alert' as part of a Government ...

An alert designated to warn people of a fire northwest of downtown Los Angeles was sent county-wide, according to a local ...

When will you receive it on your mobile phone and why? - The alert will be sent to nearly 90 million UK devices later this ...

Millions of phones will blare with the sound of a 10-second siren again later this year when the Government issues another ...

Many were awakened by an emergency alert in Wake County Monday night, an alert that the county said went out to more people ...