The wife of Russian opposition leader Alexei Navalny, Yulia Navalnaya, announced that laboratory analysis of biological samples confirmed he was killed by poisoning in February 2024 while incarcerated in an Arctic prison.

• Navalny, President Vladimir Putin's foremost critic, died in mysterious circumstances while serving a 19-year prison sentence.
• Navalnaya claimed labs in two countries concluded her husband was poisoned, urging them to release their findings and specify the poison used.
• She also published unverified photos, allegedly showing Navalny's prison cell with vomit, and cited unverified testimony from prison officials about him convulsing.