As the UK readies its first nationwide Emergency Alerts test this Sunday, here’s everything you need to know

After officially unveiling itseEmergency Alerts system last month, the U.K. government is preparing to launch the first nationwide this Sunday (23 April). The system is designed to notify the public of impending danger to life in a specific area.
At 3pm, all 4G- and 5G-enabled smartphones in the U.K. will receive a message directly to their device, accompanied by a siren-like sound and vibration for up to 10 seconds. The message will say:
This is a test of Emergency Alerts, a new UK government service that will warn you if there’s a life-threatening emergency nearby. In a real emergency, follo

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