Russian opposition leader Alexei Navalny, who died in a Russian prison last year, was poisoned, said his widow, Yulia Navalnaya, in a video on Wednesday.

Lab analysis of Alexei Navalny’s smuggled biological samples in two countries found he was killed by poisoning while in an Arctic jail.

Exámenes médicos realizados en varios laboratorios prueban que el opositor ruso Alexéi Navalni fue envenenado en prisión, según su viuda.