You're right there Wolfgang - it isn't just westerners and tourusts- and it isn't just Al Qaida and Muslim fundamentalists:

Rebels of the Lord's Resistance Army killed 52 people in an attack on a village in northern Uganda, in their worst raid in months, an army spokesman said.

The government has sent tanks, artillery and 14,000 soldiers to the north to end the revolt by the rebels, who want to rule Uganda by the Ten Commandments.> Reuters, Kampala

The killers here would have been "Christian" in the same sense that Al Qaida are "Muslim."