AT&T customers across the country are experiencing widespread cellular outages.

By: AHSAN MUMTAZ

– The outage began Thursday morning and has impacted users in major cities including Houston, Chicago, Dallas, Los Angeles and Atlanta.

– The cause of the outage is unknown, but AT&T is working to restore service.

– Some users have reported being unable to make or receive calls, including 911 calls.

– Emergency officials have advised users to find alternative methods to contact emergency services if needed.

– AT&T has not yet provided an estimated time for when service will be restored.