Protestors came out across Iran on Saturday as anti-government demonstrations enter their fourth week.
Footage shared online showed Iranians on the streets in several towns and cities chanting anti-government slogans, with security forces engaging in violent clashes with protestors.
Unrest in Iran was sparked by the death of 22-year-old Mahsa Amini on 16 September after her arrest by the country's moral police for allegedly not wearing her headscarf properly.
Protests have been reported on Saturday in many of Iran's major cities, such as Tehran, Karaj, Isfahan, Mashhad, Qazvin, Kermanshah and Shiraz, among others, according to AFP and IranWire.
"We are no longer afraid. We will fight," read a large banner that was placed on an overpass of a motorway that crosses the Iranian capital, Tehran.
Meanwhile, several strikes took place in Kurdish cities in western Iran, alongside Mahabad in West Azerbaijan, with reports of security services shooting at protestors in the city of Sanandaj.
Schoolgirls in Saqez -- Amini's hometown -- took off their hijabs (headscarves) and waved them around, shouting "women, life, freedom" on Saturday, the start of Iran's academic year.
University students across Iran also refused to go to class and joined protestors on the streets, according to IranWire.
Demonstrations over Amini's death have morphed into a wider challenge to Iran's Islamic government, which is deeply unpopular among large sections of society.
Leaked medical evidence shows that Amini suffered several violent blows to the head while in police custody, while Iranian authorities claim she had a "sudden heart attack".
There is widespread popular anger over many of the government's Islam-inspired policies, such as compulsory hijab for
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