Millions of UK mobile phones blared sirens as the national emergency alert system was tested. Read the full story ...

Siren sounds have blared from mobile phones across the country in a test of the national emergency alert system. At around 3pm on Sunday, mobiles connected to 4G and 5G networks vibrated and sounded ...

At around 3pm on Sunday, mobiles connected to 4G and 5G networks vibrated and sounded for about 10 seconds in the second test of the system – after the first in 2023. Prime Minister Sir Keir Starmer ...

At 3pm on Sunday, mobiles connected to 4G and 5G networks vibrated and sounded for around 10 seconds. Mobiles connected to 4G and 5G networks vibrated and sounded for around 10 seconds in the second ...

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