Guides at the historic Coptic Hanging church in Old Cairo point out one black column in the church's white colonnades-judas, of course.

旧开罗的科普特悬空教堂的指南中指出在教堂的白色廊柱中有一根黑色的，当然，这说的就是犹大。

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The Christians were chanting slogans against Islamist President Mohammed Morsi, just as several thousand did earlier during the funeral service nearby in the Coptic Orthodox cathedral in Cairo.

NPR: Christian Mourners, Mob, Police Clash In Egypt

However, on the streets of Alexandria and Cairo, the crowds of Coptic protesters have been in no mood to hold hands.

BBC: Egypt Copts angry after Alexandria church bomb

The violence in the city of Khosous , north of Cairo, broke out after Coptic Christians drew crosses on the walls of a Muslim school, angering members of the Muslim community, said spokesman Ahmed Osman.

CNN: Official: 5 killed as Muslims, Christians clash in Egypt