The M23 rebel group, which has taken control of large parts of the eastern Democratic Republic of Congo (DRC) in recent years, now says it has captured the key city of Goma, the largest in the area, from government forces.

Rwanda-backed rebels say they captured eastern Congo’s strategic city of Goma, the hub of a region containing trillions of dollars in mineral wealth that remains largely untapped.

GOMA, Congo (AP) — Thousands fled the city of Goma on Monday as fighting raged between Congolese forces and rebels backed by neighboring Rwanda, who claimed to have captured eastern Congo’s largest regional hub.