Late on Saturday, more protests broke out in the Kurdish town of Marivan, according to social media videos that showed demonstrators starting fires on streets as gunshots could be heard. Reuters could not verify the videos. The Twitter account @1500tasvir, which has nearly 300,000 followers, posted videos it said showed protesters in the northwestern city of Astara, lighting a bonfire with debris and motorbikes seized from police. Meanwhile, @1500tasvir and other Twitter accounts said security forces had surrounded some campuses, including Mashhad Azad University and the Technical Faculty of Tehran University, to arrest student activists.