Porton Down scientists unable to establish where the nerve agent that poisoned the Skripal's was made

The transcript discusses the investigation into the poisoning of Yulia and Sergei Skripal. British scientists identified the nerve agent as Novichok, a military-grade substance, but could not confirm its origin. The UK government believes Russia is responsible, citing multiple intelligence sources. Despite international support for the UK's stance, Russia denies involvement and requests cooperation. The incident has led to diplomatic tensions, with over 20 countries expelling Russian diplomats.

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