AT&T cellular outage in US disrupts vital services in major cities

A cellular outage on Thursday hit thousands of AT&T users in the United States, disrupting calls and text messages as well as emergency services in major cities including San Francisco.

More than 73,000 incidents were reported around 8:15 a.m.

ET, according to data from outage tracking website Downdetector.com.

AT&T said some of its customers were facing interruptions and it was “working urgently” to restore service. “We encourage the use of Wi-Fi calling until service is restored,” it said.