Alexei Navalny, the prominent Russian opposition leader, has died in prison at the age of 47, with preliminary reports attributing his death to natural causes, specifically a pulmonary embolism. Many believe his death was a result of foul play, given his history of being poisoned and the harsh conditions he faced during his imprisonment, including prolonged isolation. Critics argue that the circumstances surrounding his death are suspicious, noting discrepancies in the timeline provided by prison authorities. Navalny's family has been informed that his body will not be released until an investigation is completed, raising further concerns about transparency. His death has sparked outrage and mourning among supporters, highlighting the ongoing risks faced by political dissidents in Russia.