Demonstrators and security forces are becoming more aggressive amid protests against the death of Mahsa Amini in police custody
Protests in Iran over death of Mahsa Amini leave 41 dead: reports
A total of 41 people have been killed since the start of protests triggered by the death of 22-year-old Mahsa Amini in police custody, Iranian broadcaster IRIB reports.
There was no official confirmation of the figure.
The protests continued through the night into the early hours of Sunday, according to the report, with videos circulating on social media showing demonstrators in Tehran and other parts of the country.
It was not possible to independently verify the footage.