Dressed in a dark blue suit and a sky blue tie, Mansour used his first remarks as interim leader to praise the massive street demonstrations that led to Morsi's ouster. He hailed the youth behind the protests that began on June 30 and brought out millions around the country.
June 30 "corrected the path of the glorious revolution that took place on Jan. 25," he said, referring to the revolt against autocrat Hosni Mubarak that began Jan. 25, 2011 and led to his ouster 18 days later.
"The most glorious thing about June 30 is that it brought together everyone without discrimination or division," he said. "I offer my greetings to the revolutionary people of Egypt."
"I look forward to parliamentary and presidential elections held with the genuine and authentic will of the people," Mansour said. "The youth had the initiative and the noblest thing about this glorious event is that it was an expression of the nation's conscience and an embodiment of its hopes and ambitions. It was never a movement seeking to realize special demands or personal interests."
The revolution, he said, must continue, so "we stop producing tyrants."
Badie and el-Shater were widely believed by the oppositions to be the real power in Egypt during Morsi's tenure.
Authorities have also issued a wanted list for more than 200 Brotherhood members and leaders of other Islamist groups. The leader of the Brotherhood's political arm — Freedom and Justice Party — and another of Badie's deputies have been detained. At least a dozen of Morsi's advisers and aides are also under house arrest.
The arrests and warrants against Brotherhood leaders signal a crackdown by the military against Islamists who have dominated the political scene in Egypt since the ouster in 2011 of autocrat Hosni Mubarak.