Police have launched a murder inquiry after a woman exposed to nerve agent Novichok in Wiltshire died.
Theresa May said she was “appalled and shocked” by the death, which comes after the poisoning of Sergei Skripal and his daughter Yulia in Salisbury.
The investigation is being led by detectives from the Counter-Terrorism Policing Network and about 100 detectives are working on the case alongside Wiltshire Police.
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