Czech officials suspect Russian agents were behind a deadly explosion at an arms depot seven years ago. Moscow summoned the Czech ambassador to Russia after the Kremlin denied any involvement.
Also on the programme: the international community warns Russia about the consequences if the opposition leader, Alexei Navalny, dies in jail; and potential insurgent attacks in N’Djamena, Chad’s capital, forces US non-essential staff to leave the country.
There's been international condemnation of Russia, after two men suspected of carrying out a nerve agent attack at Salisbury in the UK were implicated in a deadly explosion in the Czech Republic in 2014.
The White House said it was evidence of "subversive actions" by the Russian state. The Czech Republic announced it was expelling 18 Russian diplomats.
Clive Myrie presents BBC News at Ten reporting by security correspondent Gordon Correra and Sarah Rainsford in Moscow.
(Photo: Russian President Vladimir Putin during a meeting with senior members of the government. Credit: Reuters.)
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