Two people were hospitalized after a package containing a suspicious substance was delivered to the offices of the Internal Revenue Service in Texas' capital.
The Austin American Statesman reports that a package delivered to the mailroom of the IRS in south Austin and opened Friday contained a white powder.
Police were called to the scene shortly before 12:30 p.m., and the mailroom was evacuated.
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Austin-Travis County EMS later tweeted that two women were taken to the hospital with "non-life threatening complaints."
The FBI is investigating.