Downtown Naperville restaurant fire under investigation

NAPERVILLE, Ill. (WLS) -- A fire broke out in a building in downtown Naperville early Sunday morning, officials said.

Crews responded to the blaze around 6:13 a.m. and found heavy black smoke coming from the top of a two-story restaurant, located at 6 West Jefferson Avenue, officials said. More crews arrived, containing the fire to the building's roof, exterior deck and second floor, and the fire was brought under control within 30 minutes, officials said.

Fire officials said there was smoke damage throughout the building, which is estimated to be worth $200,000.

"We brought he fire under control in about 30 minutes," said Deputy Chief Rick Sander, Naperville Fire Department. "There are no injuries to any civilians or any firefighters. At the present time, the fire is under investigation. It is not suspicious."

There is no word on how long it might take to repair the fire damage.