Rwanda-backed rebels who have captured eastern Congo’s largest city say they plan to take their rebellion to the capital and seek to gain political power.

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.

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