San Francisco Airport approved to send emergency texts to travelers

San Francisco Airport has gone live with a system in which it can send text messages to the phones of people within the airport premises in the event of an emergency.

It is the first U.S. airport to receive approval from the Federal Emergency Management Agency for such a program, airport spokesman Doug Yakel said.

An alert will be sent during events that require critical and potentially life-saving information to be disseminated immediately, Yakel said, with texts being accompanied by an audible alert.

They'll be received by mobile phones on which the owners have enabled "Emergency Alerts" under the "Government Alerts" section in their phone settings.

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