UK says ex-spy poisoned with Soviet-developed nerve agent  Washington Post – 6h ago LONDON — The use of Russ ian-developed nerve agent Novichok to poison ex-spy Sergei Skripal and his daughter makes it “highly likely” that Ru ssia was involved, British Prime Minister Theresa May said Monday. Novichok refers to a class of nerve agents … UK say s ex-spy poisoned with Soviet-developed nerve agent  Washington Post – 6h ago LONDON — The use of Russian-developed nerve agent Novichok to poison ex-spy Sergei Skripal and his daughter makes it “highly likely” that Russia was invol ved, British Prime Minister Theresa May said Monday. Novichok refers to a class of nerve agents …