Mourners shouted during a funeral procession today in Port Said, Egypt, for some of those killed during Saturday's protests. /AFP/Getty Images hide caption

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Relatives of the Egyptian policemen who were killed in Port Said grieve during their military funeral in Cairo on Sunday. Amr Nabil/AP hide caption

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Egyptian soccer fans of Al-Ahly football club celebrate in front of their club premises in Cairo on Saturday. An Egyptian court sentenced 21 people to death in relation to a soccer stadium riot last February. Amr Nabil/AP hide caption

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Egyptians supporters of ousted former President Hosni Mubarak celebrate an appeal granted by a court in Cairo, Egypt, Sunday. Amr Nabil/AP hide caption

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Egyptians wait in line to vote on a new draft constitution in Giza, south of Cairo, on Saturday. Gianluigi Guercia/AFP/Getty Images hide caption

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Polling station officials count ballots in Cairo on Dec. 15, at the end of the first day of vote in a referendum on a new constitution. AFP/Getty Images hide caption

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Women wait in line outside a polling station to vote on a disputed constitution drafted by Islamist supporters of President Mohammed Morsi in Cairo on Saturday. Amr Nabil/AP hide caption

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An Egyptian activist holds a banner used to spray-paint graffiti on a wall urging Egyptians to vote against a draft constitution. The opposition says the constitution does not represent all Egyptians, but its efforts have not been particularly well-organized. President Mohammed Morsi and his Islamist supporters support the draft constitution. Voting begins Saturday. Gianluigi Guercia/AFP/Getty Images hide caption

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Protesters chant slogans during a demonstration in front of the presidential palace in Cairo, Egypt, on Sunday. Petr David Josek/AP hide caption

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Egyptian President Mohammed Morsi held a "dialogue" in Cairo on Saturday. Overnight, an official announced the president would nullify a decree that gave him expanded powers. Maya Alleruzzo/AP hide caption

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