South Sudan: Leader of South Sudan's rebel forces threatens to attack Juba

The leader of South Sudan's rebel forces is threatening to attack the capital, Juba.Riek Machar said he will also target his country's oil fields until President Salva Kiir, who he calls a dictator, is removed from power.Machar made these comments to journalists on Monday before a wave of violence in Unity state this week.Hundreds of people in the oil-rich state of Bentiu have already fled their homes due to clashes between government forces and rebel fighters.Al Jazeera's Dominic Kane reports.