HARWOOD (AP) - A truck fire inside an industrial cleaning firm's building in the eastern North Dakota town of Harwood caused about $100,000 in damage to the truck, but no one was hurt.

Three Jet-Way Multiple Services Inc. employees returned from a job in Drayton late Friday to find the building filled with smoke. They discovered a 1998 International truck on fire and pulled it out of the building with another truck.

Jet-Way owner Ed Ployhart speculated that the fire was electrical in nature.