Iranian Security Forces have killed at least 448 people in a crackdown on protests held in Iran over the death of 22-year-old Mahsa Amini. The protests began in mid-September and witnessed clashes, and killings of demonstrators in large numbers, Arab News reported citing a human rights group on Tuesday.

According to Norway’s Iran Human Rights group, 60 of the 448 verified fatalities were minors under 18, including nine girls. Another 29 victims were women. According to the report, security personnel have murdered 16 people in the past week alone, 12 of them were killed in Kurdish-populated areas where demonstrations have been particularly violent.