Epic Reactions 10 Seriously Scary Emergency Alerts Actually Seen Live On TV Posted: April 6, 2025 | Last updated: April 6, 2025 "Discover amazing and mind-blowing facts you won't believe with Top ...

All UK phones are about to light up with an emergency alert test, at exactly the same time. On Sunday, 23 April, at 3pm, phones will emit a loud, siren sound, vibrate and show a message on screen.