AT&T cellular outage in United States disrupts vital services

A cellular outage early 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.About 70,000 incidents were reported around 10:00 a.m. ET, according to data from outage-tracking website Downdetector.com. The cause of Thursday's outage was not immediately clear."Some of our customers are experiencing wireless service interruptions this morning," AT&T said in a statement to CNBC. "We are working urge ...