In this exclusive documentary, FRANCE 24 retraces the chronology of events that took place in Iran from December 28, 2025, when merchants in Tehran's Grand Bazaar went on strike, to January 18, 2026, when the authorities restored internet access. Behind closed doors, from January 8 to 11, Iran's worst massacre took place since the 1979 establishment of the Islamic Republic. Warning: viewers may find the footage and descriptions in this report upsetting.