Epibatidine toxin in Navalny case

Alexei Navalny Epibatidine Poisoning: Europe Cites Rare Toxin, Russia Rejects Allegations

European governments say laboratory tests found a rare toxin in the Alexei Navalny epibatidine poisoning case, escalating tensions with Russia. Moscow denies the allegations while the US stops short of formally endorsing the claim.