[20220311]IN10936_化学武器使用死灰复燃：国会议题.pdf

CRS INSIGHT Prepared for Members and Committees of Congress INSIGHTINSIGHTi i Resurgence of Chemical Weapons Use: Issues for Congress Updated March 11, 2022 With increasing numbers of incidents, the use of chemical weapons (CW) has become a growing international concern two decades after the international community decided to ban them under the 1997 Chemical Weapons Convention (CWC). The United States has said that Russia may be “planning to use biological or chemical agents against the Ukrainian people . for assassinations, as part of a staged or false flag incident or to support tactical military operations.” Syrian government forces have used the nerve agent sarin and chlorine bombs dozens of times since 2013 in that countrys civil war. The Islamic State used mustard gas in northern Iraq in 2015 and 2016. North Korean agents used the nerve agent VX to assassinate Kim Jong Nam, the half-brother of the North Korean leader, at the Kuala Lumpur International Airport in February 2017. Russian agents used the Soviet-developed “Novichok”-class nerve agent in an attempted assassination of a former Russian spy Sergei Skripal in the United Kingdom in March 2018. Russian opposition figure