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Emergency alert: Millions receive message and alarm but test failed to send to some mobile users | UK News | Sky News
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Alert: Northern Ireland mobile users report patchy reception for emergency alarm test | BelfastTelegraph.co.uk
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Test of Government's new, national Emergency Alerts system at 3pm on Sunday 23rd April - My Sefton News Channel
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Time for Emergency Alerts test on 23rd April confirmed with special consideration for clashing with London Marathon and FA Cup semi-finals
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Why did I not get the emergency alert? Which networks failed to transmit alarm and why some phones were silent
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Uk mobile government alert emergency system tested to uk hi-res stock photography and images - Alamy
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