European states say Russia's Navalny poisoned with dart frog toxin

People standing by Russian opposition leader Alexei Navalny's grave at the Borisovo cemetery in Moscow on October 22, 2024. [AFP]

Five European countries, including Britain, France and Germany, said Saturday that Russian opposition leader Alexei Navalny was killed by a "rare toxin" from a dart frog and that the Russian state was the prime suspect.

Navalny, a staunch critic of President Vladimir Putin, died in a Russian prison on February 16, 2024, while serving a 19-year sentence.