Protesters clash with Iranian security forces as thousands amass by Mahsa Amini's grave to mark 40 days since her death
Security forces have fired tear gas and live rounds in Zindan Square, Saqqez city, according to human rights campaigners, although it's not known if anyone has been killed.
She was taken to hospital shortly afterwards, with her family and witnesses claiming she was severely beaten by officers, but authorities deny this and say she suffered from a heart attack. Deaths are commemorated in Shiite Islam - as in many other traditions - again 40 days later, typically with an outpouring of grief.
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