The Rwanda-backed M23 armed group 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",

Unconfirmed reports say the Rwanda-backed rebels are currently advancing towards Bukavu, the second-biggest city in the mineral-rich east, despite international calls for a ceasefire. In a televised address after the fall of Goma,