The Emergency Alert System works by using local mobile phone masts to broadcast warnings to all compatible devices in range.

Around 4.5 million people received an emergency alert to their mobile phone at 6pm on Thursday after the Met Office issued a ...

Many people have reacted to an emergency alert ordered by the Government which went off at 6pm to tell people of the dangers of Storm Eowyn, set to arrive on Friday ...

Disgruntled Three customers have taken to social media to complain they did not recieve an emergency alert that was supposed to be sent to 4.5 million people ahead of Storm Eowyn ...

Throughout the ongoing wildfires, California officials have relied on emergency alerts to communicate with citizens. This ...

Millions of phones will blare to the sound of a 10-second siren this evening when the Government issues an emergency alert over Storm Eowyn. The Met Office earlier issued a red danger to life warning ...

Millions of mobile phones will let off a loud 10-second siren as the UK prepares for Storm Eowyn. The 'Armageddon alert' will hit around 4.5 million devices at 6pm tonight (Thursday, January 23).

The Cabinet Office will push the notification to millions of people's mobile phones this evening. | ITV National News ...

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

Over a million people received an emergency alert to their mobile phones tonight as Storm Eowyn, a potentially destructive Red Alert storm, approaches Ireland.