Salisbury attack: ex-spy poisoned by nerve agent on his front door
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Russian former double agent Sergei Skripal and his daughter were poisoned with a nerve toxin that had been left on the front door of their home in England, British counter-terrorism police said.
After the first known use of a military-grade nerve agent on European soil since World War Two, Britain blamed Russian President Vladimir Putin for the attempted assassination, and the West has expelled around 130 Russian diplomats.
Russia has denied using Novichok, a nerve agent first developed by the Soviet military, to attack Skripal. Moscow has said it suspects the British secret services are trying to frame Russia to stoke anti-Russian hysteria.
