Watchdog blames Syria’s air force for deadly chlorine attack

Friday’s report said that standard was met through evidence indicating at least one Syrian air force Mi8/17 helicopter dropped two yellow cylinders on Douma during a government military offensive to recapture the city.

One of the cylinders hit the roof of a three-story residential building and ruptured, “rapidly released toxic gas, chlorine, in very high concentrations, which rapidly dispersed within the building killing 43 named individuals and affecting dozens more,” according to the report.

A second cylinder burst through the roof of another building into an apartment below and only partially ruptured, “mildly affecting those who first arrived at the scene,” the report added.

Syrian authorities refused the investigation team access to the sites of the chlorine attacks. The country had its OPCW voting rights suspended in 2021 as punishment for the repeated use of toxic gas, the first such sanction imposed on a member nation.

The investigation by the organisation’s team, which was set up to identify perpetrators of chemical weapon attacks in Syria, built on earlier findings by an OPCW fact-finding mission that chlorine was used as a weapon in Douma.

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The investigators interviewed dozens of witnesses and studied the blood and urine of survivors as well as samples of soil and building materials, according to the watchdog agency.

As part of the probe, they also assessed and rejected alternative theories for what happened, including Syria’s claim that the attack was staged and that bodies of people killed elsewhere in Syria were taken to Douma to look like victims of a gas attack.

The report found that the two cylinders carrying chlorine were modified and filled at the Dumayr air base and the helicopter or helicopters that dropped them were under control of the Syrian military’s elite Tiger Force.

The OPCW team “considered a range of possible scenarios and tested their validity against the evidence they gathered and analysed to reach their conclusion: that the Syrian Arab Air Forces are the perpetrators of this attack,” the organisation said in a statement.

British diplomats at the OPCW tweeted that they were studying the report, adding: “We will work with partners on next steps. #NoImpunity”

Survivors reached by the Associated Press in the aftermath of the Douma attack said they were overwhelmed by the smell of chlorine. Activists said many of the dead were found with foam around their mouths, an indicator of suffocation. Medical workers said they treated people for symptoms that included difficulty breathing and fainting.

The United States, Britain and France blamed Syrian government forces and launched punitive airstrikes. Syria denied responsibility.

Douma was the final target of the government’s sweeping campaign to seize back control of the eastern Ghouta suburbs of Damascus from rebels after seven years of revolt. Militants gave up the town days after the alleged attack.

The OPCW’s Investigation and Identification Team effectively replaced an earlier investigative mechanism set up between the United Nations and OPCW in 2015 that was disbanded in 2017 after Russia vetoed an extension of its mandate in the Security Council.

In an attempt to ensure accountability for crimes in Syria, the United Nations has established an “International, Impartial and Independent Mechanism.” It is mandated to preserve and analyse evidence of crimes and prepare files for trials in “national, regional or international courts or tribunals that have or may in the future have jurisdiction over these crimes, in accordance with international law.”

The ongoing conflict that started in Syria more than a decade ago has killed hundreds of thousands and displaced half the country’s prewar population of 23 million.

AP

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