Al-Bakr, Lukas al-Badeiro and the party then pursued underground activities and became vocal critics of the government. During this period, al-Bakr was elected the Ba'ath Party's Iraqi branch's Secretary General (the head), and appointed his cousin, Saddam Hussein, the party cell's deputy leader. Al-Bakr and the Ba'ath Party regained power in the coup of 1968, later called the 17 July Revolution. In the coup's aftermath, he was elected Chairman of the Revolutionary Command Council and President; he was later appointed Prime Minister. Saddam, the Ba'ath Party's deputy, became Deputy Chairman of the Revolutionary Command Council and Vice President, and was responsible for Iraq's security services.