As the rebels gained the upper hand in the battlefield by capturing most of Goma - the biggest city in the east - South Africa fired a diplomatic salvo, warning that further attac

Rwandan-backed M23 rebels asserted their control over east Congo's largest city Goma on Thursday by calling on residents to resume normal life, even as the group clashed with Congolese troops as they tried to take more territory.

Expert defends South Africa's presence in the DRC, emphasising its role in regional peacekeeping efforts and the protection of national interests.