LAS VEGAS, Nevada (CNN) -- Guests and visitors were being evacuated Friday from the Monte Carlo Resort and Casino in Las Vegas as a fire raged on the top four floors and roof of the south tower.
Smoke rises from the Monte Carlo Hotel and Casino in Las Vegas.
Firefighters could be seen on the roof of the hotel.
The fire department said there are no reports of any injuries.
Black smoke was billowing into the air and was visible from more than a mile away, CNN producer Darian Billington said.
He said traffic was backed up on the Strip, and crowds of people were gathering to watch the blaze.
The hotel has more than 3,000 rooms, including 211 penthouse suites, and conference rooms.
The more expensive rooms are on the top floors.The hotel was built in 1996 for $344 million. It is in the heart of the resort corridor.
The Monte Carlo, a subsidiary of MGM Mirage, has about 3,000 employees.
In 1980, a fire across the street at the MGM Grand Hotel, now Ballys, killed 84 people and injured nearly 700.