Visitors to MGM Resorts International properties in Las Vegas are speculating that a new cyberattack caused front desk computer system outages. Videos on social media showed lengthy lines in the lobbies of resorts like the New York-New York, Excalibur, and Luxor on Tuesday:

An MGM Resorts spokesperson said that the booking system at the front desk of its hotels went down for a time and that everything is now back to normal. The company didn’t provide a reason for the outage.

waiting up to four hours to check into their rooms

Some people reported waiting up to four hours to check into their rooms, reminiscent of the scenes last September when a ransomware attack caused mass disruption. Staff handed out vouchers and bottles of water to people waiting in line to try to ease their frustrations.