Are you seeing a strange message on your iPhone that reads SOS? Here's what that message means, per Apple. Start the day ...

Cell towers will broadcast the emergency alert for 30 minutes. If your phone is turned on in the range of a tower, your phone will display a message that says: "THIS IS A TEST of the National ...

Video from around the world on the latest news developments, with insight from Wall Street Journal editors and reporters.

According to a preliminary assessment, the false echo alerts that continued to go out on Friday occurred as cell towers ... one person via phone to two other people. “These emergency alerts ...

If you have a cell phone, program that person(s) as "ICE" (In Case of Emergency) in your phone ... Subscribe to alert services. Recieve alerts from Weather Underground via Twitter, text or ...

Some Scott County cellphone users will receive a test alert from the county emergency management agency on Saturday. The Scott County Emergency Management Agency is conducting a countywide test ...

Myriad problems have plagued Los Angeles County’s alert system as wildfires torch America’s most populous county. But the ...

Tornado warnings trigger the emergency alert system, sending alarms to nearby cell phones and warnings scrolling across television stations. People often react to these by taking increased caution ...