Iran protests: Security forces crack down on Tehran university students- PublishedIranian police have cracked down on students at a prestigious university in Tehran, as anti-government protests continue to sweep the country.Reports said a large number of students at Sharif University of Technology were trapped in a car park that had been surrounded by security personnel.Ms Amini, a 22-year-old Kurdish woman, fell into a coma hours after officers in the capital accused her of breaking the strict law requiring women to cover their hair with a hijab, or headscarf.In one video posted on social media, a group of people are seen trying to escape through a car park while being pursued by security forces on motorbikes.The US-based Center for Human Rights in Iran said a third video showed a "detained protester being carted away with [their] entire head wrapped in clothing" by two security personnel on a motorbike, one of whom then opens fire at the woman filming."