President Salva Kiir

Gunmen kill 14 in ambush on main South Sudan highway: Police

South Sudan rebels raid jail, capture town on Ugandan border

South Sudan struggles to avert `catastrophe`

Ugandan army enters S.Sudan to evacuate citizens

Ceasefire holds for second day in South Sudan capital

U.N. Security Council to meet Sunday on South Sudan - diplomats

'Over 150 killed' in South Sudan fighting