Detectives investigating the Novichok poisoning of Charlie Rowley and Dawn Sturgess in Britain, believe the source of the nerve agent was a small bottle found in Mr Rowley's house in Amesbury, Scotland Yard said.

That two British citizens have been poisoned with the nerve agent Novichok, the toxin used in the March murder attempt on former Russian agent Sergei Skripal and his daughter Yulia in Salisbury, will further damage relationships between Putin’s Russia and Britain and, by extension, Europe.