Police barriers block a road in Amesbury as investigators work at a site linked to the poisoning of a couple with the nerve agent novichok. Photo: Agence France-Presse

Novichok nerve agent that killed UK woman could remain active for 50 years

Investigators have revealed the extraordinary safety precautions that are being taken at sites linked to the nerve agent poisonings

Topic |   Britain

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Police barriers block a road in Amesbury as investigators work at a site linked to the poisoning of a couple with the nerve agent novichok. Photo: Agence France-Presse
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