A catastrophic landslide at the Rubaya coltan mining complex in eastern Democratic Republic of Congo has resulted in more than 200 fatalities, including 70 children, according to official government statements. The tragedy occurred Tuesday following torrential rains in this rebel-controlled territory that holds approximately 15% of global coltan reserves.
The Congolese mines ministry issued a formal statement attributing the disaster to M23 rebel forces, accusing them of permitting extensive illegal mining operations without implementing basic safety protocols or maintenance standards. The ministry emphasized that the lack of official oversight had left miners completely vulnerable to such catastrophes.
Contradicting the government’s account, local sources within Rubaya told BBC that the collapse resulted from government military attacks against rebel positions, claiming only six fatalities. The government has not responded to these counter-allegations.
Rescue operations faced significant obstacles due to dangerous terrain and restrictions allegedly imposed by rebel forces on civilian movement. Many injured survivors have been evacuated to medical facilities in Goma, located approximately 70 kilometers east of the disaster site.
The Rubaya mine represents a crucial node in the global electronics supply chain, as coltan ore contains tantalum—a vital component in manufacturing high-performance capacitors for smartphones, computers, and other electronic devices.
This tragedy marks the second major collapse at the site within months, following a similar incident in late January that also claimed over 200 lives. When BBC journalists visited the area in July 2025, they documented perilous mining conditions with workers extracting the valuable mineral through manual digging methods amid dangerously unstable pits.
The geopolitical context adds complexity to the disaster, as UN experts and the US government have accused Rwanda of supporting M23 rebels—allegations Rwanda denies. This week, the US imposed sanctions on the Rwandan army and four senior commanders. Meanwhile, Reuters reports that the Congolese government has included Rubaya on a shortlist of assets offered to the US under a minerals cooperation framework.