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Sound that could save your life': UK disaster alert to buzz phones on 23 April | Emergency services | The Guardian
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How to turn off 'Armageddon' emergency alerts on your phone ahead of this week's test - Manchester Evening News
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Expect your mobile to go off at 3pm on Sunday as new emergency alerts are tested - here's which phones will ring and what it'll sound like
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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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Sound that could save your life': UK disaster alert to buzz phones on 23 April | Emergency services | The Guardian
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