Theresa May is to hold talks with Russian President Vladimir Putin when the two leaders attend the G20 summit in Osaka, Downing Street has said.
A third suspect linked to the Salisbury poisoning has been named by an investigative website as Denis Sergeev, a high-ranking Russian military intelligence officer.
Salisbury's former mayor has said she is "saddened" by the news that a board game based on the Novichok poisonings is now on sale.
Kremlin-backed broadcaster RT breached impartiality rules with several programmes which aired in the UK after the Skripal poisoning, watchdog Ofcom has said.
The head of Russian military intelligence, which has been accused in connection with the Salisbury Novichok attack, has died, the Kremlin has announced.