nerve agent

Salisbury declared free of nerve agent Novichok

The English city of Salisbury has been officially declared free of the nerve agent Novichok, after authorities spent nearly a year decontaminating potentially toxic sites tied to the poisoning of the Russian former spy Sergei Skripal and his daughter, Yulia, last March.

EU leaders back UK in Russian nerve agent attack

The European Union is recalling its Russian ambassador over the nerve agent attack on a former Russian spy in Britain, as the bloc rallied firmly behind the United Kingdom in its worsening diplomatic dispute with Russia.

Former Soviet chemist shares details of the nerve agent Novichok

"A lethal dose ... and the person will die immediately. If [the dosage] is less, [the person] will go through very tortuous scenes. They will start convulsions, and stop breathing and then lose vision, and there are other problems -- vomiting, everything. It's a terrible scene."

UK hints at sanctions over Russia spy attack

Britain's National Security Council met Monday to discuss the latest intelligence on the attempted murder of former Russian double agent Sergei Skripal and his daughter Yulia, as pressure mounts on UK Prime Minister Theresa May over the alleged involvement of Moscow in the attack.