
Emergency crews scrambled Friday morning to respond to reports of an “unknown substance” at an Immigration and Customs Enforcement building in Dallas, the Dallas Morning News reports.
A Dallas Fire-Rescue call log showed more than a dozen units responding shortly before 7 a.m., according to the newspaper. Some of the calls were listed as hazmat dispatches and others were filed as “package.”
The Dallas ICE facility, which is used to hold arrested migrants before they’re carted off to long-term detention sites, is the same one fired on by a gunman on Sept. 24 in an incident that left two detainees dead and another critically injured, the Morning News reports.
The suspected gunman in that case, 29-year-old Joshua Jahn, died of a self-inflicted gunshot wound.
Jason Evans, a fire department spokesman, told the Morning News that investigators were were looking into an “unknown substance” at the site. Their investigation is reportedly ongoing.
The Dallas Police Department, ICE and the U.S. Department of Homeland Security didn’t immediately respond to the paper’s request for comment.
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