Clashes break out between rival Egyptian groups near Cairo's Tahrir square, on Jan. 25, 2014. The day marked the third anniversary of the uprising that toppled former ruler Hosni Mubarak, but the military is back in control in Egypt. Khaled Kamel/AFP/Getty Images hide caption

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Peter Greste, an Al Jazeera English journalist shown here in a 2005 interview, has been jailed in Egypt for more than a month. He and other imprisoned journalists and activists have written letters describing their prison conditions. Thos Robinson/Getty Images hide caption

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Mohammed Badr, a cameraman for Al-Jazeera, appears at a court in Cairo, on Dec. 4, 2013. He is among the journalists referred to the Egyptian criminal court Wednesday. Ahmed Omar/AP hide caption

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Egyptians watch a television screen showing the trial of ousted President Mohammed Morsi on Tuesday in Cairo. Khaled Elfiqi/EPA /LANDOV hide caption

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A man carries an Egyptian police officer to an ambulance after Friday's blast at the Egyptian police headquarters in downtown Cairo. Khalil Hamra/AP hide caption

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Supporters of Tunisia's secular Popular Front on Tuesday celebrate the third anniversary of the ouster of dictator Zine el-Abidine Ben Ali. The country is on the verge of approving a new constitution that was negotiated by Islamist and secular political parties. Anis Mili/Reuters /Landov hide caption

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Ballots are seen at a polling station in Cairo on Wednesday, the second day of voting in a referendum on a new constitution. Mohammed Bendari /APA /Landov hide caption

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A woman casts her ballot Tuesday at a polling station in Nasr City, Cairo. Amru Salahuddien /Xinhua/Landov hide caption

itoggle caption Amru Salahuddien /Xinhua/Landov

Supporters of the Muslim Brotherhood at Al-Azhar university make the four-finger Rabaa gesture as they hold tear gas canisters during clashes with riot police and residents of the area at the university's campus in Cairo on Saturday. Reuters /Landov hide caption

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