Burning students alive because they had the audacity to study at a government school that provided a Western education.
Nothing more needs to be said. Except that the perpetrators - militant extremist rebels - "extremist?" - are hiding in the mountains, from which they emerge, like the braver warriors that they are, to attack unarmed schools and markets, and civilians in general,
including health workers on vaccination campaigns, traders, teachers and
UPDATE: Alright, I think we can add all the upheaval and violence in places like Syria, Egypt, Iraq, and other places.
Now, Christians have been in various times in history guilty of violence and cruelty. I make this distinction, though. Such actions are only dubiously authorized by the Christian religion, and then not without severe machinations on the meaning of various passages of the Bible and rationalizations as to what it means to defend the innocent and preserve the public order and all that. In other words, unjust violence is a distortion or manipulation of the Christian religion, not part of it. In imitating Christ, it is hard to defend killing rather than dying for one's enemies, since he did the latter not the former. In that other religion, though, you have the opposite example.