Sergei Skripal
'So far, we have every reason to suspect the opposite.'
Despite police cordons and a sensational press, life goes on for city hit by poisoning.
Treating the Skripals has been a 'huge and unprecedented challenge', the hospital said.
The agent could be applied with an aerosol spray or transported in liquid form.
A 'very small amount' of the nerve agent was used in the attack.
Another busy day in politics.
Russia claims it has 'received confidential information'.
The pair have been under scrutiny.
Boris Johnson says it proves Russia was behind it.
Even their medical future is unclear.