CHICAGO (CBS) — A fire broke out Thursday at Cars-R-Us Auto Sales, 3115 N. Cicero Ave. (Credit: David Sweis, Tim Cilio)

The fire started Thursday morning at Cars-R-Us Auto Sales, 3115 N. Cicero Ave. Photos from the scene showed a ball of fire and a thick plume of black smoke apparently billowing from a wood frame building that houses the office of the dealership.

READ MORE: Dixmoor Boil Order Remains In Effect As Crews Continue Work To Identify Source Of Weeklong Water Woes

No one was inside at the time, witnesses said.

It was not immediately learned whether any of the cars were damaged, although in the photos by witnesses David Sweis and Tim Cilio, the cars appeared to be safely out of the way.

READ MORE: Chicago Weather: Rain Likely Sunday, Breezy Late

Further details and information about the cause of the fire were not immediately available Thursday afternoon.

Much like Western Avenue three miles to the east, large stretch of Cicero Avenue are known for chain link fence-enclosed used car dealerships.

MORE NEWS: Belmont Cragin Carjacking Leads To Fiery Crash, Multiple Other Parked Cars Struck