Story here. From The Telegraph (UK)

Must be Nigeria's support of Israel. Or the history of Nigerian colonial expansion in the Middle East. Or the Nigerian backing for the Crusades.

The group is made up of former students who want hardline Islamic sharia to be the dominant legal system across all of Nigeria. Africa's most populous nation is made up of roughly equal numbers of Christians and Muslims.

A member of the gang who was wounded during the initial attack on the police station told Reuters the group wanted to "clean the (Nigerian) system which is polluted by Western education and uphold sharia all over the country."

Militant Islam is not simply reactive to Western actions: Militant Islam has its own agenda derived from its core beliefs.