Iranians are mourning the death of teenager Nika Shakarami, who was killed while taking part in anti-government protests sparked by the death of Mahsa Amini. Sixteen-year-old Nika was reportedly killed on 20 September during a protest in Tehran and went missing for 10 days until her body was found by her family at a detention centre morgue. She had messaged a friend on the day of her disappearance, saying she was being chased by security forces. Since her death, Iranian activists and social media users have shared images and videos of the charismatic teenage activist, lauding her bravery in ta…