Alexei Navalny, a thorn in the side of the Kremlin and Russia’s most prominent political dissident, died in prison after ...

"Only the Russian state had the means, motive and opportunity," the U.K. said.

Five European countries, including Britain, France and Germany, said Saturday that Russian opposition leader Alexei Navalny was killed by a "rare toxin" from a dart frog and that the Russian state was ...

Russia’s theatrical assassinations of Putin’s critics via exotic banned poisons could presage the mass deployment of chemical weapons by Moscow in a future war with NATO.

Late Russian opposition leader Alexey Navalny's mom says a European assessment that he was poisoned in prison "confirms what ...

Britain and its allies said only Russia would have the ‘means, motive and disregard’ to launch such an attack – as his widow calls for Putin to be held accountable ...

Mourners in Moscow have marked two years since Russian opposition leder Alexei Navalny died in an Arctic prison, as a new ...

Add Yahoo as a preferred source to see more of our stories on Google. A man carries a sign with the face of the deceased opponent of the regime Alexei Navalny printed on it. The Russians elect their ...

Dart frogs in captivity do not produce the toxin, and it is not found naturally in Russia, five European governments said.

The UK, Sweden, France, Germany and The Netherlands are confident that Alexei Navalny was poisoned with a lethal toxin,' the countries said in a joint statement on the sidelines of the Munich Security ...

Add Yahoo as a preferred source to see more of our stories on Google. Yulia Navalnaya, widow of late Russian opposition figure Alexei Navalny, attends a memorial service in his honour, on his birthday ...