What is the dart frog toxin allegedly used to kill Alexei Navalny? – BBC
Five European countries and the UK say traces of epibatidine, a rare neurotoxin associated with South American poison dart frogs, were detected in samples from Russian opposition leader Alexei Navalny and were highly likely to have caused his death in a Siberian penal colony two years ago. The UK Foreign Office and allied governments said … Read more