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PLEASANT HILL, Ore. -- Fire crews figured out what lit the fire that tore through the Tannerite warehouse on Monday.
READ MORE: Explosive fire in Pleasant Hill, multiple crews on scene
Officials said the fire was caused by an unknown electrical source in the main production room. They said because of the extent of the damage, they cannot determine the exact source.
Steve Yerger said the main manufacturing area in the factory is a total loss. They don't have a dollar figure amount of how much damage was caused yet and don't believe it was an arson or insurance fraud case.
Tannerite manufactures explosives rifle targets but Yerger said none of the explosives went off because there weren't any on the premises. He did say special effect fireworks from another company were set off by the fire. Those fireworks were going to be shipped elsewhere.
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