This man, Riek Machar, South Sudan's first Vice President

South Sudan's First Vice President Riek Machar, the long-time rival to President Salva Kiir,as he arrives for a meeting with South Sudan's President Salva Kiir at the presidential office in Juba on October 19, 2019.[AFP]

South Sudan is on the verge of a renewed civil war following escalating tensions between First Vice President Riek Machar and President Salva Kiir.

Recent clashes between their loyal forces in the northern town of Nasir, Upper Nile State, have further fueled the conflict.