CAIRO, EGYPT - DECEMBER 16: An Egyptian man walks past riot police as they stand guard in front of Dokki police station on December 16, 2012 in Cairo, Egypt. Egyptian police were on high alert after news of a planned protest by Salafist supporters of Hazem Abu Ismail, after an attack on WAFD party headquarters last night on election day. The protest was cancelled after an announcement on Hazem Abu Ismail's Facebook account. (Photo by Daniel Berehulak/Getty Images)
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