A public emergency alert test will take place at 15.00 on Sunday 7th September on compatible mobile phones. If you phone is compatible, you will hear a loud siren and vibration, even if it is set to silent. If you need to opt-out of these alerts for any reason, please visit www.gov.uk/alerts/opting-out
Date published: 5th September, 2025
Date last updated: 5th September, 2025