You're reading: New York Times: Syria used chlorine in bombs against civilians, report says

Syrian military helicopters dropped bombs containing chlorine on civilians in at least two attacks over the past two years, a special joint investigation of the United Nations and an international chemical weapons monitor said on August 24 in a confidential report.

The report also found that militants of the Islamic State in Syria had been responsible for an attack last year using poisonous sulfur mustard, which, like chlorine, is banned as a weapon under an international treaty.

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