ATLANTA — A suspicious substance inside a threatening letter sent to Georgia Tech was mistakenly identified as fentanyl on Wednesday.
Georgia Tech officials later announced that FBI and postal inspectors tested the package and determined the substance was actually sugar.
Atlanta Fire Rescue initially said six people were exposed to fentanyl in a package on the campus of Georgia Institute of Technology on Wednesday.
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Firefighters got reports about a suspicious substance found inside a package on Atlantic Drive around 3:45 p.m.
The address matches the Krone Engineered Biosystems Building.
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The university evacuated the building.
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Police said staff members opened a threatening letter that was mailed over the weekend and found the fentanyl inside.
None of the people who were exposed had to be taken to the hospital.
Hazardous materials crews cleaned the building.
Police are still investigating where the letter came from.
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