The United States ‘ ambassador left Tehran for Washington on 30th May 1953 . In a meeting of CIA officials in Washington on 25 June 1953 , the Coup attempt designed to overthrow Mossadegh was approved by the U.S Secretary of State , Dulles , and U.S President , Eisinhowever issued instructions for its implementation . Cremit Roosevelt , chief of CIA operations in Africa and the Middle East entered Iran through Iraq on 19th July on a counterfeit passport to implement the coup.
Based on a decree from the Shah , appointing General Fazlollah Zahedi As Prime Minister , the organizers of the coup arrested several ministers as midnight . Brigadier Nasseri headed a convoy of military trucks and personnel carries to inform Mossadegh of his dismissal . Mossadegh , who had earlier learnt of the coup plan , countered their actions and Brigadier Nasseri was arrested . In the early morning of August 16 , a government gave news of the failure of the coup , and the Shah fled to Baghdad on a private plane . opposition to monarchy , which was strengthened by the Tudeh party activities , spread to all corners of the country .Operators of coup d’ etat , however tried again and on 19th August took over government offices , set fire to party centers , pro-government newspapers , and occupied radio centers of the army . The message of Zahedi as the new Prime Minister was broadcast from the radio , and agents of the coup raided the residence of Mossadegh using machine guns and tanks , and set it on fire . Mossadegh and several of his friends who had fled to a neighbor’s house surrendered themselves to the military commander . After a controversial trial , he was exiled to Ahmadabad , where he passed away.