Russia killed opposition leader Alexei Navalny with frog toxin, UK says

(Photo by Omar Marques/Anadolu via Getty Images) ______________________________________________________________________________________________________ Download a free worksheet! ______________________________________________________________________________________________________ The story European countries, including the UK, have accused Russia of poisoning opposition leader Alexei Navalny. Two years ago, Navalny, a vocal critic of President Vladimir Putin, died suddenly in the Siberian prison where he was being held. European scientists have now confirmed he died from a poison found in frogs, after they tested samples found on Navalny’s body. Russia denies it killed Navalny and says he died of natural causes, but UK foreign secretary Yvette Cooper said there was no innocent explanation for the poison being found on Navalny’s body. News headlines How Porton Down scientists exposed Putin’s chemical weapons arsenal The Telegraph The science behind the frog poison that allegedly killed Alexei Navalny Sky News Navalny’s poisoning will taint Vladimir Putin until his dying breath The Independent  Key words and phrases arsenal a collection of weapons, or attributes that make you good at something the science behind the science that explains or causes taint spoil or make unpleasant  Next  Discover more programmes to learn English from the News. Find all our latest programmes. Try Beating Speaking Anxiety - a series to help you boost your speaking confidence.