A new emergency alert system was tested earlier today, causing phones across the country ... The alert should have said: " This is a test of Emergency Alerts, a new UK government service that ...

A message is set to appear on the home screens of mobile phones and tablets from 15:00 BST, accompanied by a loud siren ... test alert will say: "This is a test of Emergency Alerts, a new UK ...

Smartphones which did not receive a nationwide emergency alert test will be part of a review into the trial of the alarm. While millions of people across the UK ... siren sounding on their phone.