Alexander Litvinenko

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