"The Russian Federal Security Service, together with the Russian Ministry of Defense, discovered a cache of the Ukrainian Armed Forces ... [in] the Donetsk People's Republic containing improvised explosive devices intended for dropping from UAVs, loaded with explosives (plastic explosives) and the combat poison chloropicrin, which is prohibited for use as a means of warfare by the International Convention on the Prohibition of Chemical Weapons," the FSB said in a statement.
Based on this fact, the Investigative Department of the FSB has opened a criminal case on the grounds of the article on the development, production, accumulation, acquisition or sale of weapons of mass destruction of Russia's criminal code, the statement read.