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

In a joint statement, the foreign ministries of the U.K., France, Germany, Sweden and the Netherlands say Navalny was poisoned by Russia with a lethal toxin derived from the skin of poison dart frogs.

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

LONDON — Five European nations say Russian opposition leader Alexei Navalny was poisoned with a lethal toxin, and are blaming ...

Russian opposition leader Alexei Navalny died in prison after being poisoned with a deadly toxin found in Ecuadorian dart ...

Alexei Navalny, the Russian opposition leader, died from a 'dart frog toxin,' the UK Foreign Office announced.

Five European governments on Saturday announced their investigation determined Russian opposition leader Alexei Navalny was poisoned, contradicting Moscow’s claims he died of natural causes. The ...

The Kremlin has rejected the claim from several European nations and the widow of Russian opposition leader Alexei Navalny ...

Russian opposition leader Alexei Navalny was fatally poisoned with a toxin from Ecuadorian dart frogs that is 200 times ...

When Russian opposition leader Alexei Navalny died in his cell in an Arctic penal colony, Vladimir Putin’s guilt was immediately evident. His attempts to wave away responsibility – calling Navalny’s ...

Five European countries say tests confirm late Russian opposition leader Alexei Navalny was poisoned with a lethal toxin found in poison frogs, and they blame the Kremlin.

The modern poison has become less a medieval cliché than a geopolitical signature flourish.