Report on the Alleged Use of Chemical Weapons in the Ghouta Area of Damascus on 21 August 2013 was a 2013 report produced by a team appointed by United Nations Secretary-General ( UNSG ) Ban Ki-moon to investigate alleged chemical weapon attacks during the Syrian civil war . The report published on 16 September 2013 focused on the 21 August 2013 Ghouta chemical attack , which took place whilst the Mission was in Damascus to investigate prior alleged incidents , including the Khan al-Assal chemical attack in March 2013
Ghouta chemical attack
Ghouta chemical attack
UN investigation of chemical weapons use in Ghouta