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Egyptian riot policemen stand guard in front of Cairo university on October 21, 2014 as the authorities have tightened security at 12 leading universities across the country. As the new academic term began in Egypt, riot police were standing guard at Cairo's universities to quash any repeat of Islamist-led protests that turned campuses nationwide into battlefields. AFP PHOTO / KHALED DESOUKI (Photo credit should read KHALED DESOUKI/AFP/Getty Images)

Egyptian riot policemen stand guard in front of Cairo university on October 21, 2014 as the authorities have tightened security at 12 leading universities across the country. As the new academic term began in Egypt, riot police were standing guard at Cairo's universities to quash any repeat of Islamist-led protests that turned campuses nationwide into battlefields.  AFP PHOTO / KHALED DESOUKI        (Photo credit should read KHALED DESOUKI/AFP/Getty Images)