More than 200 witnesses have been identified as police investigate the Russian ex-spy poisoning “at speed”, the home secretary has said.
Amber Rudd praised the “professionalism” of the 250 counter terrorism police who are now looking at more than 240 pieces of evidence.
Meanwhile, Det Sergeant Nick Bailey, who fell ill after attending to Sergei Skripal and his daughter Yulia Skripal, released a statement denying he was a “hero”.
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