The United States has sanctioned an armed group accused of illicit mining in the Democratic Republic of the Congo (DRC), as both the army and the Rwandan-backed M23 rebel group traded accusations of violating a recently reached US-mediated ceasefire deal by attacking each other’s positions.

DAKAR, Senegal (AP) — The U.S. government on Tuesday sanctioned an armed group accused of illicit trading in minerals in eastern Congo as Washington tries to spearhead peace efforts there while pushing for U.S. access to the region’s minerals.

The United States government has announced targeted sanctions against a network accused of fueling conflict and engaging in illicit mineral trading in eastern Democratic Republic of Congo, as Washington intensifies efforts to support peace initiatives in the region while securing access to its vast mineral resources.