New Delhi, April 3 -- The family of Nasrin Sotoudeh, a leading human rights lawyer, has alleged that she has been detained by the authorities in Iran. According to her daughter, Mehraveh Khandan, Sotoudeh was detained by Iranian intelligence agents at her house in Tehran overnight on Thursday.

64-year-old Sotoudeh is renowned for defending activists, opposition politicians and women prosecuted for removing their headscarves. She has been imprisoned multiple times and is currently out on bail for health reasons.

Her husband, Reza Khandan, also a well-known activist, is currently imprisoned in Tehran's infamous Evin prison.

Sotoudeh has for years campaigned on some of the most sensitive issues in the Islamic Republic, notably working to ...