Russia’s theatrical assassinations of Putin’s critics via exotic banned poisons could presage the mass deployment of chemical ...

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

Alexei Navalny is latest in long line of Vladimir Putin’s critics who have died in recent years. James C. Reynolds, Gustaf Kilander and Alexander Butler report ...

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

Mr Navalny campaigned against official corruption and organised major anti-government protests in Russia.

Boris Kagarlitsky and hundreds of unknown political prisoners remain in Russia’s prisons. Leif Reigstad Alexey Navalny’s ...

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.

Russian opposition figure and outspoken Kremlin critic Alexey Navalny, who died two years ago, was killed while in prison by a lethal toxin found in poison dart frogs in South America, five European ...