Russian ambassador suggests UK lab was source of poison used on ex-spy
Russia's ambassador to the EU has suggested a UK laboratory could have been the source of the chemical agent used to poison ex-spy Sergei Skripal.
Speaking on the BBC's Andrew Marr show, Vladimir Chizhov said Russia had "no stockpiles whatever" of chemical weapons.
A diplomatic crisis has erupted between the UK and Russia after Skripal and his daughter Yulia were poisoned in Salisbury on 4 March. Theresa May has said Salisbury defence lab Porton Down has found that the nerve agent used was part of a group developed by Russia.
Read more: Britain prepares for "next steps" after "culpable" Russia expels diplomats
Chizhov said he did not know whether Porton Down was responsible for the attack.
"When you have a nerve agent or whatever, you check it against certain samples that you retain in your laboratories," he said.
"And Porton Down, as we now all know, is the largest military facility in the United Kingdom that has been dealing with chemical weapons research.
"And it's actually only eight miles from Salisbury."
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