Investigators are calling a morning warehouse fire in Culpeper suspicious.
The old Keller Manufacturing building on Germanna Highway went up in flames early Thursday morning. Firefighters were able to quickly put it out, but the fire caused an estimated $600,000 in damages.
The building was being used by Merillat Cabinets for storage.
An arson investigator is now trying to figure out how the destructive fire started.
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