Iran's Human Rights Activists News Agency (HRANA) reports that 284 people, including 45 children, have been killed by security forces in the crackdown on protests, which erupted after the death in police custody of a woman accused of wearing her hijab "improperly".Authorities have portrayed the protests as "riots" fomented by Iran's foreign enemies and warned that those who take part will face severe punishment.Another man who allegedly attacked police with a knife and set a government building on fire faced the charge of "enmity against God", it added.Video appeared to show armed personnel in plainclothes attacking a crowd with tear gas and sticks at a branch of Azad University in Tehran.— Shayan Sardarizadeh (@Shayan86) October 30, 2022One of the Basij forces brandishes and discharges a gun.#مهسا_امینی#MahsaAminipic.twitter.com/WiycAd1C72The unrest was triggered by the death on 16 September of Mahsa Amini, a 22-year-old woman who fell into a coma after being arrested by morality police in Tehran for allegedly violating Iran's strict rules requiring women to cover their hair with a hijab, or headscarf."