Claims that Alexei Navalny was killed with dart frog poison has placed new scrutiny on Russia’s secretive chemical weapons ...

In their high-security base in the Wiltshire countryside, the scientists of Porton Down made an astonishing discovery.

UK, Sweden, France, Germany and Netherlands say they're "confident" Russia poisoned Alexei Navalny with a lethal toxin from ...

Presence of a neurotoxin secreted by South American dart frogs was found in samples taken from Alexei Navalny’s body. The ...

European leaders said they are confident Navalny was poisoned with a toxin found in South American poison dart frogs.

Navalny died after being poisoned with dart frog toxin by Russia, UK says - Britain and its allies said only Russia would have the ‘means, motive and disregard’ to launch such an attack – as his widow ...

A top Russian military general, accused of being involved in the 2018 Salisbury poisonings, was shot outside his Moscow apartment in an alleged assassination attempt. An unidentified gunman fired ...

Russian opposition leader Alexei Navalny was poisoned by the Kremlin with a rare and lethal toxin found in the skin of poison dart frogs, five European countries have said. It's not the first time the ...

Five European governments have accused Russia of killing opposition leader Alexei Navalny with a lethal toxin derived from ...