The entrance to the science park that houses the UK laboratory where samples in connection to the nerve agent attack on March 4 were taken to be analysed. Photo: AFP
UK lab says it cannot tell if nerve agent used to poison ex-spy Sergei Skripal was Russian-made
UK lab chief Gary Aitkenhead said analysts had identified the nerve agent as military-grade Novichok, but they ‘have not identified the precise source’
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Britain
The entrance to the science park that houses the UK laboratory where samples in connection to the nerve agent attack on March 4 were taken to be analysed. Photo: AFP