Official: ISIS may have fired chemical weapon at U.S. base in Iraq


A U.S. base near Mosul, Iraq, was possibly attacked with a chemical weapon on Tuesday, a U.S. official said Wednesday.
The official told Fox News that the base outside Qayyarah came under rocket fire from Islamic State militants, and that it's believed one of the shells contained traces of a "mustard agent." An initial test was positive and a second test came back negative, but that result could have been due to the shell being exposed to the elements. No one was injured in the attack, and no troops have shown any "signs of exposure," the official said. A few soldiers who were close to the shell received full decontamination treatment, and residue from the shell is being sent to Maryland for testing.
Mustard gas can spread, while mustard agent leaves behind an oily residue and is not as effective. A Pentagon official told reporters that one of the shells that landed at the base, just a few hundred yards away from U.S. and Iraqi troops, had a "tar-like black oily substance." The base, 25 miles south of Mosul, regularly comes under fire from conventional weapons, the U.S. official said, and is home to hundreds of the nearly 5,000 U.S. troops now stationed in Iraq.
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Catherine Garcia has worked as a senior writer at The Week since 2014. Her writing and reporting have appeared in Entertainment Weekly, The New York Times, Wirecutter, NBC News and "The Book of Jezebel," among others. She's a graduate of the University of Redlands and the Columbia University Graduate School of Journalism.
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