Data, Legal & Regulatory, News OPCW points to 17 chemical attacks in Syria Chemical weapons were used or likely used in at least 17 attacks in Syria, the international chemical weapons watchdog told the U.N. Security Council. By Arete News - June 3, 2021 OPCW Director-General Fernando Arias briefs the U.N. Security Council (AN/OPCW) You need to login to view this content. Please Login. Not a Member? Join Us