![Cabinet Office on Twitter: "🚨 At 3pm on Sunday 23 April, there will be a national test of the UK Emergency Alerts service. As we have seen in other countries, Emergency Alerts Cabinet Office on Twitter: "🚨 At 3pm on Sunday 23 April, there will be a national test of the UK Emergency Alerts service. As we have seen in other countries, Emergency Alerts](https://pbs.twimg.com/media/FtBUnUSWYAAReZ9.png:large)
Cabinet Office on Twitter: "🚨 At 3pm on Sunday 23 April, there will be a national test of the UK Emergency Alerts service. As we have seen in other countries, Emergency Alerts
![Dr Kat on Twitter: "Today at 3pm the UK will be testing the emergency alert system on every phone. Please remind your friends and relatives to ensure they are not frightened by Dr Kat on Twitter: "Today at 3pm the UK will be testing the emergency alert system on every phone. Please remind your friends and relatives to ensure they are not frightened by](https://pbs.twimg.com/media/FuYUqSJWcAIxea4.jpg:large)
Dr Kat on Twitter: "Today at 3pm the UK will be testing the emergency alert system on every phone. Please remind your friends and relatives to ensure they are not frightened by
![Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News](https://e3.365dm.com/23/04/768x432/skynews-new-zealand-emergency-alert_6112711.jpg?20230406122731)
Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News
![Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News](https://e3.365dm.com/18/01/768x432/skynews-emergency-alert-hawaii_4205050.jpg?20180113193901)
Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News
![Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News](https://e3.365dm.com/23/04/2048x1152/skynews-emergency-alerts-teaser-image_6112762.jpg)
Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News
![TikTok Shows Off How Much The USA Emergency Alarm Sound Sucks Compared To Other Countries - BroBible TikTok Shows Off How Much The USA Emergency Alarm Sound Sucks Compared To Other Countries - BroBible](https://brobible.com/wp-content/uploads/2021/07/different-emergency-alarm-sounds-worldwide.jpg)
TikTok Shows Off How Much The USA Emergency Alarm Sound Sucks Compared To Other Countries - BroBible
![Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News Emergency alerts: How they work in other countries - including a few times when it has gone wrong | Science & Tech News | Sky News](https://e3.365dm.com/23/04/768x432/skynews-emergency-alert-japan_6112714.jpg?20230406123029)