It characterized the event as 'still ongoing' and did not disclose details. The FBI is 'aware of the incident,' the bureau said in a statement from its national press office. The extent of its effect was not immediately known on reservation systems and casino floors in Las Vegas and states including Maryland, Massachusetts, Michigan, Mississippi, New Jersey, New York and Ohio, company spokesman Brian Ahern said. 7News confirmed the MGM National Harbor is also impacted by the issue. (AP) - A 'cybersecurity issue' led to the shutdown of some casino and hotel computer systems at MGM Resorts International properties across the U.S., a company official reported Monday.
