Iran has arrested a dual British-Iranian national just as the two countries were appeared to be making headway over the fate of a seized Iranian tanker.
Kameel Ahmady, a renowned anthropologist, was arrested by police in Tehran on Sunday on unspecified allegations.
Mr Ahmady, an Iranian Kurd who was born in the western city of Mahabad, was granted British citizenship in 1994 but had been living in Iran for the last 15 years.
His wife, Shafagh Rahmani, said on Tuesday night he had not been officially charged, but prosecutors at Evin prison said that he faces a series of charges related to “his activities”.
According to his Linkedin profile, he is “a scholar working in the field of social anthropology conducting research on topics related to local cultures, women and children, and the rights of minorities in the Middle East, with some work experience in Africa and the Far East.”