US expects Islamic State to wield chemical weapons in Mosul fight

US officials do not believe Islamic State has been successful so far at developing chemical weapons


Reuters October 19, 2016
An Iraqi soldier launches a rocket-propelled grenade towards Islamic State militants, west of Falluja. PHOTO: REUTERS

WASHINGTON DC: The United States expects Islamic State to use crude chemical weapons as it tries to repel an Iraqi-led offensive on the city of Mosul, US officials say, although adding that the group's technical ability to develop such weapons is highly limited.

UN 'extremely concerned' for 1.5 million civilians in Mosul

US forces have begun to regularly collect shell fragments to test for possible chemical agents, given Islamic State's use of mustard agent in the months before Monday's launch of the Mosul offensive, one official said.

In a previously undisclosed incident, US forces confirmed the presence of a sulfur mustard agent on Islamic State munition fragments on October 5, a second official said. The Islamic State had targeted local forces, not US or coalition troops.

"Given ISIL's reprehensible behavior and flagrant disregard for international standards and norms, this event is not surprising," the second official told Reuters, speaking on condition of anonymity, and using an acronym for Islamic State.

US ready to support Iraq in 'difficult fight ahead' for Mosul

US officials do not believe Islamic State has been successful so far at developing chemical weapons with particularly lethal effects, meaning that conventional weapons are still the most dangerous threat for advancing Iraqi and Kurdish forces - and any foreign advisers who get close enough.

Sulfur mustard agents can cause blistering on exposed skin and lungs. At low doses, however, that would not be deadly.

Roughly 5,000 US forces are in Iraq. More than 100 of them are embedded with Iraqi and Kurdish Peshmerga forces involved with the Mosul offensive, advising commanders and helping them ensure coalition air power hits the right targets, officials said. Still, those forces are not at the front lines, they added.

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