In what looks like a renewed attack on religious houses, Boko Haram has killed four worshipers in a mosque during a suicide attack on a mosque in Gwoza, southern Borno State.
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An eye witness said the suicide bomber ran into a group of worshippers during early morning prayer.
Gwoza was at the peak of the ongoing Boko Haram insurgency, the administrative capital and the caliphate of the terrorist group.