{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-c03aa079.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-517835be.css\" media=\"all\" /\u003e\n\u003cdiv data-title='Porton Down scientists unable to establish where the nerve agent that poisoned the Skripal\u0026#39;s was made' data-url='/boclips/videos/5c54d769d8eafeecae20bb13' data-video-url='/boclips/videos/5c54d769d8eafeecae20bb13' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nPorton Down scientists unable to establish where the nerve agent that poisoned the Skripal\u0026#39;s was made\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30359439\" href=\"/search?publisher_ids%5B%5D=30359439\"\u003eSky News\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003eVOICED: Shows exterior shots UK's Defence Science and Technology Laboratory including signage and security barbed wire fences. Interior shots scientist testing sample in the laboratory. Interview with Porton Down Research Laboratory...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003eVOICED: Shows exterior shots UK's Defence Science and Technology Laboratory including signage and security barbed wire fences. Interior shots scientist testing sample in the laboratory. Interview with Porton Down Research Laboratory Chief Executive Gary Aitkenhead speaking on testing the nerve agent used in Salisbury Spy Poisoning, tests identified it as Military Grade Novichock, but did not establish where the substance was created. Exterior shots buses full of expelled diplomats leaving the Russian Embassy in London on their way to the airport on 20th March, 2018. Aerial shots forensics tents outside the Skripal family home in Salisbury. Interview with former Kremlin Advisor Alexander Nekrassov speaking on Kremlin wanted to cooperate but UK Government have been obstructive. (NB THIS CLIP CONTAINS BLACK HOLES - THIRD PARTY CONTENT) Scientists at Porton Down have said that they have not been able to establish where the nerve agent used to poison Sergei and Yulia Skripal was made. The Chief executive of the UK's Defence Science and Technology Laboratory, said the substance used in the Salisbury attack was extremely sophisticated and probably only a state actor would have the capabilities to produce it but they have not proved it came from Russia. 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