Hassan Ayat Iranian Revolution but resigned from the party. Ayat joined the Islamic Republican Party and became a member of its central committee. He was elected as a member of Assembly of Experts for Constitution in Constitutional Convention election. After that, Ayat was elected as a member of Parliament from Tehran. He was one of the main leaders in impeachment of President Abulhassan Banisadr. He was opposed to the election of Mir-Hossein Mousavi as prime minister because he believed that Mir-Hossein Mousavi was a freemasonry agent who had penetrated in the political structure of the Islamic Republic of Iran to attempt the
2009 Iranian presidential election protests Mirdamadi, and former president Mohammad Khatami's brother Mohammad-Reza Khatami, who was later released. Also arrested were Mostafa Tajzadeh and Mohsen Aminzadeh, whom the IRNA said were involved in orchestrating protests on 13 June. Unidentified sources said that the police stormed the headquarters of the IIPF and arrested a number of people. Iranian journalist Mashallah Shamsolvaezin claimed that presidential candidate Mir-Hossein Mousavi was put under house arrest, although officials denied this. An estimated 200 people were detained after clashes with students at the University of Tehran, although many were later released. Acting Police Chief Ahmad-Reza Radan stated via the state press