To do so is to risk one’s life when raising the alarm about a real emergency that may go duly ... Fox did just that in a recent broadcast, using a designated alarm tone for an advert.

Fox did just that in a recent broadcast ... the text in a thin red band over the regular content. Credit: YouTube The characteristic angry digital tones of the Emergency Alert System actually ...

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 ...

Broadcast Emergency Response (Amber), and Opt-in Test Messages. You can opt out of any except National Alerts, which are reserved for national emergencies. The Oct. 4 test is a National Alert.