This weekend, the Government is trialling a system that aims to warn the public if there is a danger to life nearby.
Here is everything you need to know.
– What is going to happen?
Millions of mobile phones and tablets across the UK will emit a loud alarm and vibrate at 3pm on Sunday in a nationwide test of the new public alert system.
The message will be received on 4G and 5G mobile phones, along with sound and vibration for up to 10 seconds.
The alarm


