URGENT

BlackBerry service out in N. America; AT ers affected

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NEW YORK (AP) -- An outage has disconnected BlackBerry smart phones across North America.

AT disruption Monday is affecting all wireless carriers. AT about the problem at about 3:30 p.m. EST.

There's no word on the cause or when the problem might be fixed.

BlackBerry maker Research in Motion did not immediately return a phone call.