Iranian children joining anti-government protests are being arrested at their schools as security forces arrive in unmarked vehicles to take away students, according to multiple social media reports. Iran closed all schools and educational institutions in Iranian Kurdistan over the weekend, as students in the region continue to protest against the cleric-dominated government. Several videos and images have emerged on Twitter showing Iranian police arriving at schools to arrest children. It follows large-scale protests at schools and universities in the country, particularly involving girls and…