Gholam Reza Aghazadeh, the head of the Iranian nuclear agency, has resigned, Iran's semi-official ISNA news agency reported on Thursday.
According to the report, the official gave no reason for his resignation. However, Aghazadeh has been known to be close to opposition leader Mir Hossein Mousavi, whose claims of a rigged presidential election sparked widespread violent protests throughout republic.
Aghazadeh was quoted as telling the semi-official ISNA news agency that he submitted his resignation 20 days ago to President Mahmoud Ahmadinejad, who accepted it. In the ISNA report Thursday, Aghazadeh said that he also resigned from his other post, as one of Ahmadinejad's vice presidents.
Aghazadeh and other nuclear officials could not immediately be reached for comment.