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

Add Yahoo as a preferred source to see more of our stories on Google. A joint report alleging that a poison dart frog toxin has been linked to the death of Russian opposition leader Alexei Navalny ...

There is no innocent explanation for the toxin being found in samples taken from Navalny's body, Foreign Office says.

Add Yahoo as a preferred source to see more of our stories on Google. This extremely toxic, nicotine-like compound originates from the Epipedobates genus of poison dart frogs, found exclusively in ...

In the joint statement, Britain, France, Germany, Sweden and the Netherlands said analyses of samples from Navalny's body confirmed the presence of epibatidine, a toxin found in poison dart frogs in ...

Frogs may appear harmless, but many species are highly efficient predators equipped with specialized hunting adaptations. Their elastic tongues can launch in fractions of a second, allowing them to ...

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 ...

The modern poison has become less a medieval cliché than a geopolitical signature flourish. Precise, deniable, and in Russia’s case, grimly familiar. Accusations of Russian poisoning surfaced again ...

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

Five European nations, including the UK, France, and Germany, have accused Russia of using a toxin from poison dart frogs to kill Kremlin critic Alexei Navalny. The countries allege that Navalny was ...