Recalling the Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or other Gases, and of Bacteriological Methods of Warfare, and the Convention on the Prohibition of the Development, Production, Stockpiling and Use of Chemical Weapons and on their Destruction (CWC) ratified by the Syrian Arab Republic on 14 September 2013, and the Council’s resolutions 1540 (2004), 2118 (2013), 2209 (2015), 2235 (2015), 2314 (2016), and 2319 (2016),

Expressing its deep concern regarding the alleged incident with the chemical weapons in the Khan Shaykhun area of southern Idlib in the Syrian Arab Republic on 4 April 2017 reportedly causing large-scale loss of life and injuries, affirming that the use of chemical weapons constitutes a serious violation of international law, and stressing that those responsible for any use of chemical weapons must be held accountable,

Recalling that in resolution 2118 (2013) the Council decided that the Syrian Arab Republic shall not use, develop, produce, otherwise acquire, stockpile or retain chemical weapons or transfer, directly or indirectly, chemical weapons, to other States or non-State actors and underscored that no party in Syria should use, develop, produce, acquire, stockpile, retain or transfer chemical weapons,

1.​Requests the joint FFM and the JIM investigative team to visit as soon as possible the site of the alleged incident in Khan Shaykhun and adjacent territories to conduct full-scale investigation using the whole spectrum of relevant methods, including the alternative information collection efforts and investigative skills, as was strongly recommended for such cases in the 4th and 5th JIM’s reports (para. 49 and para . 11 respectively).

2.​Demands all parties in the Syrian Arab Republic to secure in accordance with the resolution 2118 (2013) without any delay free and safe access for the joint FFM and JIM team to the site of the incident and adjacent areas;

3.​Requests the Director-General of the OPCW Technical Secretariat and the head of the OPCW-UN Joint Investigative Mechanism (JIM) to forward through the United Nations Secretary-General to the Council for its consideration their proposals on the personal composition of the joint team to be dispatched to the Idlib Governorate of the Syrian Arab Republic based on the principle of a broad-based and balanced geographical representation;

4.​Decides that the report of the joint FFM and JIM team should include all the evidences collected at the site of the incident and be provided to the Council for consideration;

5.​Decides to remain actively seized of the matter.