Alexander Litvinenko

Alexander Litvinenko death: Putin possibly approved ex-spy's murder, rules UK court

Almost a decade after former KGB officer Alexander Litvinenko lay dying in a London hospital bed, a British judge has concluded who poisoned him: two Russian men, acting at the behest of Russia's security services, probably with approval from President Vladimir Putin.

Ex-Russian spy Litvinenko's poisoning report 'extremely disturbing': British PM's office

"The conclusion that the murder was authorised at the highest levels of the Russian state is extremely disturbing," said Cameron's spokeswoman.

Putin 'probably approved' Russian operation to kill ex-spy Litvinenkoby, finds UK judge

A British inquiry into the death by radiation poisoning of ex-spy Alexander Litvinenko in London found that Russian President Vladimir Putin "probably approved" of it.

Polonium-210: All you need to know about the poison that killed Sunanda Pushkar

The use of Po-210 for killing a human being has been made earlier as well.

Main suspect in Russian spy murder pulls out of inquest

Logovoi alleged the British inquest has been influenced by Boris Berezovsky, a flamboyant and outspoken Russian oligarch in London exile, who had close ties to Litvinenko. Lugovoi says Berezovsky was involved in the poisoning, a charge Berezosvky has denied.