Nick Bailey
Detective Sergeant Nick Bailey said poisonings in March 2018 "took so much from me" as he announced his departure from Wiltshire Police.
British police have released new CCTV footage of the two suspects on the day of the Skripal poisoning. As well as the death of Wiltshire resident, Dawn Sturgess and the poisoning of Detective Sergeant Nick Bailey. The investigation is ongoing.
PM says 130 people in city could have been exposed to Novichok.
Sergei Skripal and daughter remain in critical condition.
May accused Russia of acting with "sarcasm, contempt and defiance.”
PM gives Russia until the end of Tuesday to provide a ‘credible’ response.
Some 21 people being treated for exposure to substance.