Tehran: The authorities of Iran have hanged three protestors facing death penalty today. It is well known that last year there was an agitation across the country. Three people who participated in the protest were sentenced to death. The three are accused of having a link with the shooting incident that took place in the city of Isfahan in November last year. Three security personnel were killed in the firing. However, Amnesty International stated that the three hanged men were not properly investigated. There are allegations that they were tortured in the name of interrogation. It is known that Iran has hanged four more dissidents since December. 22-year-old Masha Amini was arrested by the Iranian police for not wearing a hijab. But the woman died in police custody. Condemning the death of that Kurdish woman.. Last September, there was an uproar throughout the country in Iran.