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The United States has accused Russia of violating the international chemical weapons ban by using choking and riot control agents multiple times in its full-scale war against Ukraine and has [...]

The Islamic State group likely carried out an attack in Syria using chemical weapons nine years ago, according to international experts responsible for investigating the use of these banned weapons. [...]

The Organisation for the Prohibition of Chemical Weapons (OPCW) conducted its first technical assistance visit in Ukraine on July 2-3 as a response to months of alleged illegal chemical weapons [...]

Ukraine has accused Russian ground forces in Ukraine of multiple instances of using riot control agents against Ukrainian infantry positions this year in a manner prohibited by the Chemical Weapons [...]

States-parties to the 1997 Chemical Weapons Convention (CWC) failed to agree on a joint outcome document at the conclusion of their fifth treaty review conference May 15-19 in The Hague. [...]

After decades of effort, the United States completed the destruction of its vast chemical weapons arsenal and marked the final step in eliminating the world's known chemical weapons stockpiles. Apart [...]

International investigators confirmed a fifth instance in which Syria used chemical weapons against civilians. In a Jan. 27 report, the Investigation and Identification Team (IIT) of the Organisation for the [...]