The head of the UN Mission in South Sudan (UNMISS) on Monday denounced "indiscriminate attacks on civilians" following a spike in violence between forces allied to the nation's rival leaders that threatens to undermine a fragile power-sharing deal.
Clashes have taken place for several weeks in Nasir County between federal forces loyal to President Salva Kiir and the "White Army" -- a militia group accused by the government of collaborating with First Vice President Riek Machar.