Russia accused of killing Alexei Navalny with dart frog toxin

Several European countries, including the UK, have blamed the Kremlin for the killing of the Russian opposition leader, Alexei Navalny. They say his murder was likely carried out, using a poison developed from a toxin in a rare frog. We get reaction to these updates from a friend of Navalny’s, alongside on Oscar-winning director who produced a documentary on him.Also in the programme: Mass rape survivor Gisele Pelicot speaks to the BBC about trauma and healing ahead of her memoir being published; and an an exciting paleontological discovery has been made in Costa Rica.(Photo: Flowers lay near a portrait of Russian late opposition leader Alexei Navalny in front of the Russian embassy in Tbilisi, Georgia, February 2024. Credit: David Mdzinarishvili, EPA-EFE, REX, Shutterstock).