The British government is set to test its emergency alert system for the second time, with 87 million devices set to be ...

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

Emergency alert’ to be sent to UK phones as government tests alarm warning system - Senior government officials will also be ...

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