Navalny's Widow Rejects Official Cause of Death, Demands Investigation

Yulia Navalnaya disputes Russian authorities' claim of natural causes, alleging a cover-up in her husband's prison death.

Russian officials assert Alexei Navalny died from a combination of diseases, including arrhythmia.
Yulia Navalnaya argues her husband showed no signs of heart disease and suspects foul play.
Authorities have refused to open a criminal investigation into Navalny's death.
Navalnaya vows to continue her own investigation and calls for confidential tips from prison staff.
The Kremlin denies any involvement in Navalny's death or prior poisoning.