Egyptian riot police fire tear gas at protesters, not seen, during clashes in front of the Semiramis Intercontinental hotel, background near Tahrir Square, Cairo, Egypt,Tuesday, Jan. 29, 2013. Since Saturday, the Nile-side Semiramis Intercontinental has been on the front line of clashes between riot police and angry youths, with both sides throwing stones at each other along the city's famed Corniche promenade while tear gas wafted several stories up inside the building. (AP Photo/Khalil Hamra)
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