South Sudan's Salva Kiir replaces Riek Machar

South Sudanese President Salva Kiir has replaced his vice president and rival Riek Machar following a sharp surge in violence between the government and opposition fighters in the five-year-old country.
Machar had been given a deadline by Kiir, left, to return to Juba. / Internet photo
Machar had been given a deadline by Kiir, left, to return to Juba. / Internet photo
Quartz