Shortly before his death, Litvinenko had accused Vladimir Putin of being a paedophile, according to the 328-page report released on Thursday.

A six-month UK inquiry into the death of former Russian spy Alexander Litvinenko in London in 2006 has concluded he was poisoned with a radioactive isotope, "probably" on the orders of the Russia's President Vladimir Putin.

Women at a memorial for Litvinenko in Moscow in 2008.

Alexey Sazonov / AFP / Getty Images

Here are 25 key findings from the 328-page report, which the Kremlin has said will "poison" relations between the UK and Russia.

Putin and Patrushev, the former head of the KGB successor organisation the FSB, "probably" ordered the murder of Litvinenko, the inquiry concluded.

Those claims had originated from his former FSB boss Alexander Gusak, who was known to have a personal animosity towards Litvinenko.

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