chemical weapons continues to investigate we've also heard from the head of the ministry of defense research lab porton down. you know we've got the highest levels of controls of security. around the work that we do here we would not be a loto or pre if we had lack of control that could result in anything leaving the four walls of our facility here. the russian embassy has reacted to his comments saying that they amount to an admission that the secret facility is a place where new components of military grade poisons are being researched and developed and that most notably mr eight can have did not deny the existence of chemical weapon stocks referring to the disputed possible sources of the nerve agent in question moscow has openly condemned the attempted murders as an act of terrorism and denied any involvement despite that they would see him as relations between the two countries are continuing to deteriorate and the situation doesn't look likely to get better anytime soon british pm to raise a may has rallied to european counterparts calling for a united front against russia here's the head of the europ