FILE - South Sudan's President Salva Kiir attends the state funeral of Kenya's former president Daniel arap Moi, at Nyayo Stadium in the capital Nairobi, Kenya, Feb. 11, 2020.An explosion of violence in South Sudan is raising fears that the country's fragile peace agreement could unravel before the transitional government wraps up early next year. (AP Photo/John Muchucha, File)