Iran protests: at least 450 arrested in northern province

Amnesty says at least four children among people killed by state forces since start of protests over woman's death in custody

At least 450 people have been arrested in Mazandaran, a northern province of Iran, during the last 10 days of protests, according to the province's chief prosecutor.

Protests sparked by the death in police custody of 22-year-old Mahsa Amini have spread across the country. They have been met with internet shutdowns and violent repression.