Weapons Watchdog Corrects Estimate of Nerve Agent Used in U.K. Attack Fifty to 100 milligrams — not grams — of nerve agent were used in the March 4 poisoning of Sergei Skripal in Salisbury, the Organization for the Prohibition of Chemical Weapons said. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:A Trump Nobel Peace Prize? South Korea’s Leader Likes the IdeaMike Pompeo Expresses Support for Israeli Response to Gaza ProtestsSyria Missile Strikes Reportedly Kill at Least 16China Prepares a Hard-Line Stance on Trump’s Trade DemandsU.S. Embassy Officer in Pakistan Is Charged With ObstructionBehind T-Mobile-Sprint Merger, a Race to Keep Up With China in 5G