NEW CASTLE, Del. (WPVI) -- A mysterious smell sparked evacuations at the Tesla Industries building in New Castle, Delaware.
Thursday morning firefighters and hazmat crews responded to a report of a strange odor at the company located in the 100 block of Centerpoint Boulevard.
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Three people were taken to the hospital to be evaluated.
Emergency crews evaluated the building but couldn't find the cause of the odor.
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Employees were allowed to return to the building right before noon.