Armed groups have also captured an “enormous” stock of weapons in clashes in northeast Nigeria since Dec. 26 The attacks could force people to flee to Chad if the Nigerian army fails to stop them GENEVA: Armed groups have killed more than 100 Nigerian soldiers and captured an “enormous” stock of weapons in clashes in northeast Nigeria since Dec. 26, according to a report by a UN-led group of aid agencies in Chad, which was published on Friday. The report by the aid groups, dated Jan. 17, said attacks by armed groups had intensified over the past few weeks, which could force people to flee to Chad if the attacks are not stopped by the Nigerian army.