Report: ATF headquarters evacuated after employee opens envelope containing suspicious substance

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(Bureau of Alcohol, Tobacco, Firearms and Explosives/@ATFHQ/Twitter)

The headquarters of the Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) in D.C. has been evacuated due to a suspicious package, authorities said Thursday. 

ATF officials say an employee opened an envelope that contained a suspicious liquid substance and Hazmat crews responded accordingly.

At around 4:30 p.m., officials said Hazmat was out and the substance tested clear. They will send it to the lab for further analysis.

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