The toxin, epibatidine, can be found in frogs in the wild in South America or manufactured in a lab.

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

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

The Kremlin on Monday flatly rejected accusations from five European countries that the Russian state had killed Alexei ...

Russia “had the means, motive and opportunity to administer this poison" to Navalny, a joint statement from five European ...

Epibatidine is about 100 times more potent than morphine, and derived from frogs native to South America ...

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

The Kremlin denied Monday that it fatally poisoned former Russian opposition leader Alexei Navalny in 2024, after five ...

Five European countries have accused Russia of using a toxin from dart frogs to kill the Kremlin critic. The Kremlin has ...

Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison ...

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