The Milwaukee County Sheriff's Office is rolling out new software that officials say will alert drivers to emergency vehicles ...

The upcoming emergency alert drill could put domestic abuse victims at risk, charities have warned. Mobile phones on 4G and 5G networks will vibrate, emit a siren for up to 10 seconds, and display a ...

Anyone with a smart phones has been told to be aware of an emergency alert system test later today. At 3pm today (Sunday, September 7), mobile phones and tablets across the UK will emit a loud siren ...

Millions of mobile phones will make a siren sound and receive a text message in the UK on Sunday afternoon for the test of a nationwide emergency alert system ...

It's an imperfect system, but Arlington Alert remains Arlington County's go-to way of informing tens of thousands of ...

Phones on 4G and 5G networks will vibrate, emit a siren for up to 10 seconds, and display a message confirming the alert is a drill.

Test alerts will go out to tens of millions of phones this weekend. But why has the government chosen a Sunday afternoon?