Massive roaming outage hits AT&T, T-Mobile, Verizon users

NEW YORK, June 28 (Xinhua) -- A massive outage disrupted international roaming services of AT&T, T-Mobile and Verizon, the three major cellular carriers in the United States, on Thursday, leaving some of their customers stranded overseas until Friday morning.

American users traveling abroad have complained on social media that they were unable to make phone calls, send messages and use data for almost a full day