She was detained on 13 September in Tehran for allegedly breaking the strict law requiring women to cover their hair with a hijab, or headscarf.Nika's uncle was also seen on TV speaking against the unrest, as a voice belonging to someone off-screen was picked up apparently whispering to him: "Say it, you scumbag!"Tehran judiciary official Mohammad Shahriari was cited by state media as saying on Wednesday that a post-mortem examination showed Nika suffered "multiple fractures... in the pelvis, head, upper and lower limbs, arms and legs, which indicate that the person was thrown from a height".Meanwhile Iranian authorities have denied reports that another 16-year-old girl, Sarina Esmailzadeh, died after being severely beaten on the head with batons by security forces during protests in Karaj, north-east Iran, on 23 September.The semi-official Isna news agency quoted the chief justice of Alborz province, where Sarina died, as saying that according to a preliminary investigation she killed herself by jumping off a five-storey building."