I'm very sad to see my people suffering - Riek Machar

South Sudan's president and rebel chief Riek Machar agreed to form a transitional government within 60 days. Despite a ceasefire signed last month between the two leaders, fighting has continued. Since the conflict broke out last December, thousands have been killed and more than one million displaced. Focus on Africa's Veronique Edwards has been speaking to the rebel leader Riek Machar.