The students' banner says: 'No to mandatory hijab'. AP Photo
Iranians protest in Tehran after the death of 22-year-old Mahsa Amini after she was detained by the morality police in September. AP Photo
Protests have intensified despite a vicious government crackdown that has left as many as 200 people dead, although estimates of the toll by rights groups vary. AP Photo
At least eight members of the security forces have also been killed or wounded during the unrest and there are signs that violent resistance could be intensifying. AP Photo
A fire burns at the office of the governor of Mahabad, in the West Azerbaijan province of Iran. AFP
Protesters gather in the a courtyard of Chitgar complex in western Tehran. AFP
Iranian protesters continue to defy a deadly crackdown by security forces. AFP
A woman cuts her hair at the grave site of Nika Shahkarami in the city of Khorramabad, during a reported memorial held to mark 40 days since the death of the 16-year-old. AFP
A woman not wearing a headscarf stands on top of a vehicle as thousands make their way towards Saqez, Mahsa Amini's home town, to mark 40 days since her death in police custody. AFP
Iranian riot police prepare to confront protesters the capital, Tehran. AFP
Iranian protesters surge forward amid clashes with riot police in Tehran. AFP
A crowd blocks an intersection during a protest to mark 40 days since Amini's death in custody. AP Photo
Iranian police arrive to disperse a protest in Tehran. AP Photo
Protesters chant at a vigil for Amini at the Khajeh Nasir Toosi University of Technology in Tehran. Reuters
Students at Sharif University of Technology attend a protest. AP Photo
Police outside Sharif University during a student protest. AP Photo
Students at the university protest over the death of Amini, who was in 'morality police' custody for allegedly breaking strict rules on head coverings for women. AP Photo
The students' banner says: 'No to mandatory hijab'. AP Photo
Iranians protest in Tehran after the death of 22-year-old Mahsa Amini after she was detained by the morality police in September. AP Photo
Protests have intensified despite a vicious government crackdown that has left as many as 200 people dead, although estimates of the toll by rights groups vary. AP Photo
At least eight members of the security forces have also been killed or wounded during the unrest and there are signs that violent resistance could be intensifying. AP Photo
A fire burns at the office of the governor of Mahabad, in the West Azerbaijan province of Iran. AFP
Protesters gather in the a courtyard of Chitgar complex in western Tehran. AFP
Iranian protesters continue to defy a deadly crackdown by security forces. AFP
A woman cuts her hair at the grave site of Nika Shahkarami in the city of Khorramabad, during a reported memorial held to mark 40 days since the death of the 16-year-old. AFP
A woman not wearing a headscarf stands on top of a vehicle as thousands make their way towards Saqez, Mahsa Amini's home town, to mark 40 days since her death in police custody. AFP
Iranian riot police prepare to confront protesters the capital, Tehran. AFP
Iranian protesters surge forward amid clashes with riot police in Tehran. AFP
A crowd blocks an intersection during a protest to mark 40 days since Amini's death in custody. AP Photo
Iranian police arrive to disperse a protest in Tehran. AP Photo
Protesters chant at a vigil for Amini at the Khajeh Nasir Toosi University of Technology in Tehran. Reuters
Students at Sharif University of Technology attend a protest. AP Photo
Police outside Sharif University during a student protest. AP Photo
Students at the university protest over the death of Amini, who was in 'morality police' custody for allegedly breaking strict rules on head coverings for women. AP Photo
The students' banner says: 'No to mandatory hijab'. AP Photo