“[It] may very well be that the substance used [in Skripal’s poisoning] may have come from the stocks” of the U.S. and U.K. -Newsweek

“Our British colleagues should recall that Russia and the United Kingdom are members of the OPCW which is one of the most successful and effective disarmament and non-proliferation mechanisms," Shulgin said.
In an interview, Russian Ambassador to the United Kingdom Alexander Yakovenko calls the poisoning a provocation and states that the Russian government suspects British intelligence agencies of being behind the incident.