No concerning biological agents found in letter sent to FAA
MINNEAPOLIS (AP) — The FBI says a substance found in a letter sent to the Minneapolis office of the Federal Aviation Administration has tested negative for worrisome biological agents.
The FAA in Minneapolis was evacuated Tuesday after a letter containing the suspicious substance was found. Four people were hospitalized as a precaution.
FBI spokesman Michael Kulstad says Wednesday that tests were conducted and “came back negative for biological agents.” But more testing is being done as authorities work to identify the substance.
The office houses employees involved in aircraft certification, security, pilot licensing and regulatory compliance. Authorities say air traffic control functions are not located in the building and were not affected.
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