TEHRAN, Iran (AFP) — Classes were suspended and moved online Monday at Iran's leading technology university in Tehran after clashes erupted overnight between students and security forces, local media said.

"Sharif University of Technology announced that due to recent events and the need to protect students… all classes will be held virtually from Monday," Mehr news agency reported, amid nationwide protests over the death of young Kurdish woman Mahsa Amini in custody.

About 200 students had gathered from Sunday afternoon at the university and chanted slogans against Iran's clerical authorities, Mehr said.

"Woman, life, liberty," they shouted, as well as "students prefer death to humiliation," the news agency said.

Security forces fired tear gas and paintballs at the students, Mehr said, adding that the security forces were carrying weapons that fire non-lethal steel pellets, outside the university's north gate.

The science minister later arrived at the campus to speak with the students in a bid to calm the situation, the report added.

Demonstrations have entered their third week since 22-year-old Kurdish Iranian Amini died following her arrest by the morality police for allegedly breaching the country's strict dress code for women.