GENEVA South Sudan is at a "dangerous point" and risks sliding back into full-scale civil war as violence intensifies and a fragile peace agreement comes under strain, the UN human rights chief warned Friday. "I am extremely concerned about the human rights situation in South Sudan. This is one of the world’s forgotten crises," Volker Turk told the Human Rights Council. Government and opposition forces and allied militias have attacked residential areas across multiple states in recent months,