South Sudanese President Salva Kiir on Monday replaced his vice president and rival Riek Machar, a move that could potentially undermine last year’s peace deal and reignite war in Africa’s youngest nation.

South Sudan's president replaces rival deputy Machar amid fears of new civil war

South Sudanese President Salva Kiir on Monday replaced his vice president and rival Riek Machar, a move that could potentially undermine last year’s peace deal and reignite war in Africa’s youngest nation.