Iran has arrested some 14,000 people in its brutal crackdown on protests over the past two months, according to UN figures. Tehran says more than 40 foreign nationals are among them. In many cases, Western diplomats are refused access to their citizens.

Police have repeatedly opened fire on protesters across the country. The United Nations is considering whether to launch an international investigation into the crackdown. The protests were triggered in September by the death in police custody of 22 year old Mahsa Amini, who was arrested for wearing her headscarf too loosely.