An Egyptian protester helps a friend cover his face with a mask to protect him from tear gas during clashes with Egyptian riot police, unseen, in Cairo, Egypt, Wednesday, Nov. 23, 2011. Egyptian police are clashing with anti-government protesters for a fifth day in Cairo. Tens of thousands of protesters in Tahrir Square have rejected a promise by Egypt's military ruler to speed up a presidential election to the first half of next year. They want Field Marshal Hussein Tantawi to step down immediately in favor of an interim civilian council.
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