United Nations — The head of the United Nations children’s agency said Monday that children make up about half of all armed gang members in Haiti and called for their enhanced protection. “We estimate that children account for up to 50% of armed group members, while the total number of children recruited by armed groups has jumped by 70% over the past year,” UNICEF Executive Director Catherine Russell told a U.N. meeting on the situation of children in Haiti. “They are being used as informants, cooks and sex slaves, and they are being forced to perpetrate violence themselves.” She said