Mobile phones across the UK will be sent a siren alert in a second national test of an emergency system warning people of ...

The drill this week will include an emergency text and phone alert sent to those who have signed up to receive them ...

The Government has confirmed the exact date the next emergency alert system test will be sent out to mobile phones.

The alarm, sounding for 10 seconds even if phones are on silent, is part of a drill to prepare for real-life emergencies ...