A highly toxic substance linked to the death of Russian opposition figure Alexei Navalny is believed to have been created by the Russian laboratory responsible for developing the infamous Novichok nerve agents. The UK’s Porton Down laboratory in Wiltshire recently confirmed the presence of epibatidine, a potent neurotoxin derived from South American dart frogs, in biological samples connected to Navalny.
Navalny, a prominent critic of the Russian government, was discovered dead in his Arctic prison cell at the age of 47 on February 16, 2024. Following the revelation of the toxin, the UK, along with France, Germany, Sweden, and the Netherlands, has accused Moscow of breaching the Chemical Weapons Convention. In response, Russia has dismissed the allegations as part of an “information campaign.”
Foreign Secretary Yvette Cooper, speaking at the Munich Security Conference, asserted that only the Russian government had the capability and motive to deploy such a deadly poison against Navalny. Cooper highlighted Russia’s perceived threat from Navalny and condemned the use of the toxin as a demonstration of the state’s oppressive measures against political dissent.
It is suspected that the State Research Institute of Organic Chemistry and Technology (GosNIIOKhT) in Russia was involved in the synthesis of the frog-derived toxin. This institute, known for its association with the Novichok nerve agents, has previously been implicated in similar incidents, including the poisoning of former spy Sergei Skripal in 2018.
Former GosNIIOKhT chemist Vil Mirzayanov, who exposed the secret Novichok program, stated that Russian experts would have the capability to produce the frog toxin due to their experience in synthesizing complex compounds. Epibatidine, the neurotoxin found in Navalny’s body, is known for its extreme potency and lethality, causing severe symptoms and potential fatality.
Medical experts have linked the symptoms observed in Navalny to epibatidine poisoning, further corroborating the cause of his death. Navalny’s widow, Yulia Navalnaya, expressed relief that European experts confirmed the use of epibatidine in her husband’s poisoning, accusing Putin of utilizing chemical weapons to eliminate Navalny.
Despite the evidence presented, Russia has denied the allegations, stating that further details and test results are needed for a comprehensive assessment. The Russian embassy in London dismissed the claims as Western propaganda, questioning the credibility of attributing Navalny’s death to a toxin derived from frogs.