(AGI) Lagos, July 15 - Boko Haram's so-called "Chief Butcher",Mohammed Zakari, 30, was arrested on Saturday in Balmo Forestin Bauchi State, Nigerian police reported on Tuesday. Zakarihas been linked to the murder of seven people, almost all womenand children, in the village of Kaigamari, and is responsiblefor attacks on the village of Kari in the forest of Gombe.Balmo forest is a centre of Boko Haram activity. The group haskilled about 10,000 people in the past five years. . .