Alexander Litvinenko

Russia was behind Litvinenko assassination, European court finds

European court rules Russia was behind dissident Litvinenko killing

European rights court finds Russia was behind Litvinenko assassination

Of poison, spies and football: Arsenal-CSKA Moscow, an eerie reunion 12 years on

Marina Litvinenko: Russia saw attempts to salvage relations as 'weakness'

Alleged Litvinenko killers and Putin ally added to US blacklist

Probable cause: UK magistrates accuse Putin over Litvinenko murder (part 1)

Putin 'probably approved' murder of ex-spy Litvinenko, British inquiry says