Investigators identify Syria site of possible sarin attack

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The Organization for the Prohibition of Chemical Weapons has identified the Damascus suburb of Daraya as the site of a possible sarin gas attack last year, citing blood samples provided by the Syrian government.

In a report to the U.N. Security Council circulated Monday, the watchdog describes a Feb. 15, 2015 incident where government soldiers reported a strange smell and began exhibiting symptoms consistent with sarin gas.

The report says the soldiers, who were under fire, were unable to determine where the chemical came from.

Blood samples found four individuals were exposed to sarin or a sarin-like substance, but investigators were unable to determine the exact date of exposure. They also could not guarantee the integrity of the samples between the time they were drawn and when they were sealed.