South Sudan: Kiir "happy" to be working with new vice-president South Sudan president Salva Kiir says he is "happy" to be working with newly nominated interim vice-president Teng Deng Gai. The movement of former rebel leader Riek Machar SPLM/A (IO) nominated Taban as interim vice-president in Machar's absence who has not been seen in public since he left the capital Juba after clashes that threatened to destroy a 2015 deal to end the country's civil conflict. IMAGES AND SOUNDBITES