FCC Chairman Ajit Pai said the agency will investigate a recent issue on AT&T's mobile network that prevented some 911 calls from going through. The issue occurred Wednesday evening over a period of several hours. "Every call to 911 must go through," said Pai. "So when I first learned of yesterday's outage, I immediately directed FCC staff to contact AT&T about it and the company's efforts to restore access to emergency services to the American public. I have directed Commission staff to track down the root cause of this outage." AT&T has not yet said what happened, though it apologized to those who were impacted by the outage.


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