Fighting resumed in eastern Congo on Monday, again violating a ceasefire, the M23 rebel group and Congolese army said, casting doubt on whether the M23 group will cease its offensive after the withdrawal of Rwandan troops.

Fighting between the Congolese army and the M23 rebel group has resumed in eastern Congo ahead of potential mediation talks.

Fighting between the Congolese army and the M23 rebel group resumed in eastern Congo in yet another ceasefire violation ahead of potential mediation talks, both groups said. M23 is one of a 100 armed groups that have been vying for a foothold in mineral-rich eastern Congo near the border with Rwanda,

The army said it inflicted heavy losses on the rebels in the Lubero territory of North Kivu province Monday, including several dead and wounded.