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’

Topic |   Britain

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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 
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