The national system for sending emergency alerts to mobile phones in the UK is being tested for the second time.

Millions of mobile phones will make a siren sound and receive a text message in the UK on Sunday afternoon for the test of a ...

An emergency siren will sound from all mobile phones this weekend, as the UK Government prepares to test its alert system.

Smartphone users across the UK will hear a high pitched siren sound and receive a text message from UK Government as part of ...

Around 87,000,000 mobile phones across Scotland and the UK will receive the warning this weekend.The UK Government will be ...