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U.S. Assessment of Chemical Weapons Use in Syria


U.S. Government's Assessment

  • High confidence the Syrian government used a nerve agent in the Damascus suburbs on Aug. 21, 2013
  • 1,429 people were killed, including 426 children
  • Highly unlikely that the Syrian opposition carried out the chemical attack

U.S. Report on the Attack

  • Assad regime carried out a rocket and artillery attack on the Damascus suburbs early on Aug. 21
  • Thousands of reports on the attack appeared in social media
  • Nearby hospitals received 3,600 patients displaying symptoms consistent with nerve agent exposure
  • Hundreds of videos attributed to the attack show bodies with signs consistent with nerve agent exposure
  • Syrian opposition does not have the means to fabricate the videos and other information related to the attack
  • Intercepted communications involving senior Assad official who confirmed chemical weapons were used in the attack
Source: U.S. Government
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