The Rwandan-backed M23 armed group in Democratic Republic of Congo threatened on Tuesday to advance on the provincial capital of Bukavu, citing a "dangerously deteriorating" situation, as Congo rejected a call for direct talks with the rebels.

The takeover of Bukavu would constitute an unparalleled extension of territory under the M23’s control, as well as a further blow to Kinshasa’s authority in eastern Congo following the collapse of Goma,

Corneille Nangaa is the head of the Alliance Fleuve Congo (AFC), the political arm of m23, an armed group led by Congolese Tutsis