Bullet points of Russia-UK expulsions have targeted scores over past decades
- Moscow expels six British diplomats for alleged espionage
- The move draws a strong rebuke from the UK and intensifies tensions between Russia and the West over the war in Ukraine
- The expulsions are part of a long-standing pattern of tit-for-tat moves between London and Moscow
- Notable instances of expulsion include the poisoning of Sergei Skripal, the KGB's Oleg Gordievsky, and the recruitment of a KGB operative by British agents