sentences:  A phenomenon of "pendulum displacement" has developed, where people hasten at night to safety.According to Yakin Ertürk, the UN Special Rapporteur on Violence against Women who toured eastern Congo in July 2007, violence against women in North and South Kivu included "unimaginable brutality".Ertürk added that "Armed groups attack local communities, loot, rape, kidnap women and children, and make them work as sexual slaves".