Robert Fisk: Cairo killings reinforce Christian fears about Egypt's revolution
The statistics are easy, the future is not. Up to 20 million Copts in Egypt, 10pc of the population, the largest Christian community in the region.
But President Anwar Sadat once described himself as "a Muslim president for a Muslim people" and the Christians have not forgotten it.
Sure, the attack on the church in Aswan helped to stoke the fires, and the 26 dead is the largest number of Egyptian fatalities since the two worst days of the revolution which overthrew Sadat's successor, Hosni Mubarak.