Local sources said Kigali-backed fighters were advancing on a new front and had seized two districts in South Kivu province, after the rebel group’s capture of most of Goma, the capital of North Kivu.

The Rwanda-backed armed group M23 vowed Thursday to "continue the march of liberation" to the DR Congo capital Kinshasa, as its fighters made further advances in the mineral-rich east of the country.

Their fury is focused on Rwandan President Paul Kagame, who they accuse of backing the rebels - an accusation long made by the UN. To put it bluntly, a group of UN experts maintains the Rwandan army is in "de facto control of M23 operations",