After the a military coup on 27 May 1960, Prime Minister Adnan Menderes, President Celal Bayar, and all the ministers and members of the Assembly were arrested. The Assembly was closed. The Committee of National Unity, CNU "(Milli Birlik Komitesi), "assumed all the powers of the Assembly by a provisional constitution and began to run the country. Executive power was used by ministers appointed by the CNU.