After Rwanda-backed M23 rebels took control of the biggest city in eastern Congo this week, the man who emerged from the shadows to assert his leadership was not the group's long-time military leader.

United Nations agencies called for an end to the violence in the eastern Democratic Republic of the Congo (DRC) as fighting between

Rwandan-backed M23 rebels in Democratic Republic of Congo are seeking to advance south towards Bukavu, the capital of South Kivu province, in an attempt to expand their area of control in the country's east after capturing the city of Goma.

WHAT IS HAPPENING IN GOMA? After entering Goma on Monday night, the rebels faced pockets of resistance, particularly around strategic areas including the airport. Corneille Nangaa, leader of the Congo River Alliance (AFC),