After the fall of Goma, Rwanda-backed M23 rebels are now marching towards Bukavu in DR Congo's South Kivu. The militia is aiming for the capture of capital Kinshasa city next, as per reports. The M23 rebels began their invasion of DR Congo and stormed Goma on Sunday. 13 Congolese soldiers have been killed in the clashes and civilians are fleeing as the rebels ravage cities in the African nation. Watch.