A protester runs to throw a tear gas canister back at police during clashes with police near Tahrir Square as anti-Mursi protesters start to gather in the square in Cairo November 27, 2012. Opponents of President Mohamed Mursi rallied in Cairo's Tahrir Square for a fifth day on Tuesday, stepping up calls to scrap a decree they say threatens Egypt with a new era of autocracy. REUTERS/Asmaa Waguih (EGYPT - Tags: POLITICS CIVIL UNREST)
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