Driving through some of the city’s quiet streets, it was hard to imagine that just a month ago they were a battleground.

But if you looked carefully you could spot bullet holes in some of the buildings, just a few hundred metres from the campus of the city’s university.

What triggered the violence is disputed.

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http://www.naijiant.com/guestcolumn/investigating-clashes-between-nigerias-shia-and-the-army/