Who is Sergei Skripal? Russian convicted of spying found unconscious on mall bench
“Very worrying news that Sergei Skripal, Russian imprisoned for spying for UK & swapped in 2010 as part of 'Anna Chapman' exchange, seems to have been poisoned in Salisbury. Another example of Russian intel treating UK as a free fire zone?” Ian Bond director of foreign policy at the Centre for European Reform tweeted on Monday.