The UK Government will be carrying out a nationwide emergency alert test on Sunday, 7 September 2025, at 3pm. Mobile phones across the country will sound a loud siren and vibrate, even if set to silent, as part of the national safety system.
While this test is vital for public safety, taxi, Uber and private hire drivers are being urged not to be distracted when the alert goes off while driving.
What is the Emergency Alert system?
The government’s Emergency Alerts system was introduced in 2023 to warn the public about life-threatening events such as:
- Severe flooding
- Extreme weather
- Public safety incidents (e.g. unexploded bombs)
When triggered, the system sends a message to compatible 4G and 5G devices, which displays a warning and makes a distinct alarm sound lasting about 10 seconds. No action is required during the test, but in a real emergency, the alert will provide clear instructions.
When is the next test?
The latest national test will take place at:
- Date: Sunday, 7 September 2025
- Time: 3pm
- Duration: Around 10 seconds
Anyone with a modern mobile phone connected to a UK network is likely to receive it. Devices switched off or without a signal will not sound the alert.
Warning to taxi, Uber and private hire drivers
The Department for Transport and police forces are reminding drivers that:
- It is illegal to touch or hold your phone while driving.
- Being distracted could lead to a £200 fine and six penalty points on your licence.
- If the alert activates while you are driving, do not look at or pick up your phone.
- Continue driving as normal and only check your device once you are safely parked in a legal place.
For taxi and Uber drivers who spend long hours on the road, this warning is especially important. The sudden alarm may be startling, but safety must always come first.
Can you opt out?
While drivers and passengers can switch off the alerts in their phone settings, the government strongly advises keeping them active. The alerts are designed to save lives, particularly during severe weather and flooding events.
However, certain groups—such as survivors of domestic abuse—may choose to disable them for privacy reasons.
Why this matters
This system has already been used to warn residents during flooding in Cumbria and during a WWII bomb discovery in Plymouth. Testing ensures the system works correctly and that people know what to expect.
Just as with a fire alarm drill, this alert is about preparation—making sure the UK is ready for genuine emergencies.
Key information at a glance
| Aspect | Details |
|---|---|
| Event | National Emergency Alert test |
| Date | 7 September 2025 |
| Time | 3pm |
| Effect | Loud siren + vibration on 4G/5G phones |
| Drivers | Do not touch your phone while driving |
| Penalty | £200 fine + 6 points if caught |
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