FCC calls hours-long T-Mobile service outage 'unacceptable'

The head of the U.S. communications regulator said T-Mobile's nationwide, hours-long outage Monday was “unacceptable” and that the Federal Communications Commission will investigate.T-Mobile, one of the country's three largest cellphone service providers, said it had a “voice and text wireless issue" that began around noon EDT Monday.AT&T and Verizon both said their networks were operating normally.