The mysterious death of Russian opposition leader Alexei Navalny has sparked international outrage and accusations. Two years after his passing in a Siberian penal colony, Britain and its allies have pointed fingers at the Kremlin, citing a deadly toxin derived from dart frogs. The Foreign Office emphasizes that the toxin, known as epibatidine, was found in samples taken from Navalny's body, leaving no room for doubt. Foreign Secretary Yvette Cooper, speaking at the Munich Security Conference, asserts that only the Russian government had the means, motive, and opportunity to employ this lethal toxin against Navalny during his imprisonment. Cooper's meeting with Navalny's widow, Yulia Navalnaya, further solidified the UK's stance. She emphasized Russia's perception of Navalny as a threat and the state's use of despicable tools to suppress political opposition. The UK, joined by Sweden, France, the Netherlands, and Germany, has accused Russia of the poisoning and informed the Organisation on the Prohibition of Chemical Weapons of the alleged breach of the Chemical Weapons Convention. Navalny, an anti-corruption advocate and Russia's most vocal opposition figure, died in jail at 47, succumbing to a sudden illness. This tragic event follows his previous poisoning with a Novichok nerve agent in 2020, which led to treatment in Germany and his subsequent arrest upon returning to Russia. Navalny's wife, Yulia Navalnaya, had consistently argued for his poisoning during his prison sentence in an Arctic penal colony in 2024, challenging the two laboratories to publish their findings. The Kremlin's silence on the matter only adds to the suspicion. Russian President Vladimir Putin's vague reference to the passing of a person as a sad event does little to clarify the circumstances surrounding Navalny's death.