KADUNA - Police hunting for the killers of 26 people in a college residence in northeast Nigeria said they had raided houses and made a number of arrests on Wednesday.

The attackers went from room to room in the building in the town of Mubi, in remote Adamawa state, on Tuesday morning and killed the people they found there with guns and machetes.

Adamawa state, like much of the north, has been targeted by Islamist insurgents, but police said were also investigating whether the killings were the result of a feud inside the college.

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