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Protesters throw stones at Egyptian riot police during clashes near the interior ministry in downtown cairo, Egypt, Sunday, Nov. 2 Tara Todras-Whitehill | The Associated Press A protester throws a gas canister Sunday toward Egyptian riot police near the inter Protesters take a cover during clashes with Egyptian riot police near the interior ministry in downtown cairo, Egypt, Sunday, Nov Egyptian riot police beat a protester during clashes in Tahrir Square in Cairo, Egypt, Saturday, Nov. 19, 2011. Thousands of polic A protester throws a tear gas grenade back at Egyptian riot police near the interior ministry in downtown cairo, Egypt, Sunday, N Protesters run from tear gas during clashes with Egyptian riot police near the interior ministry in downtown cairo, Egypt, Sunday, A protester throws stones at Egyptian riot police during clashes near the interior ministry in downtown Cairo, Egypt, Sunday, Nov.