Summary
ISIS is believed to be responsible for sulfur mustard gas attacks in Syria and Iraq last year, the United States said last month.
Lavrov said there were reports of militant groups gaining access to scientific and technical documentation on the production of chemical weapons, seizing chemical plants and "engaging foreign specialists to help synthesize chemical warfare agents," without giving details.
He said launching negotiations would revive the Conference on Disarmament, whose members include U.N. Security Council permanent members Britain, China, France, Russia and the United States, but which has not been able to clinch any disarmament agreements since "the last decade of the 20th Century".
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