GOMA, Congo -- At least 200 people were killed earlier this week when a landslide collapsed several mines at a major coltan ...

The supply chain for coltan and other strategic minerals is long, opaque and deliberately fragmented. Each layer adds ...

A landslide last week collapsed tunnels at a major coltan mining site in eastern Congo, leaving at least 200 people dead ...

More than 220 people were killed in two successive landslides on Jan. 28 and 29 in eastern Democratic Republic of Congo. The victims were artisanal miners known as “diggers.” The accident occurred at ...

The accident happened at the Rubaya mines in the Democratic Republic of the Congo.

At least 200 were killed when mines collapsed at a coltan mining site in eastern Congo this week, rebel authorities say. The Rubaya mines, where the disaster occurred, supply a key metal for ...

A landslide last week killed at least 200 people in eastern Congo at a rebel-controlled coltan mine and families of the ...

Add Yahoo as a preferred source to see more of our stories on Google. Alain Libondo (17) left, and Nsinku Zihindula (25), hammering at solid rock to find cassiterite and coltan at Szibira, South Kivu.

A landslide caused by heavy rain collapsed artisanal coltan mines in eastern Congo, killing more than 200 people. The mines, ...

Rubaya mine produces about 15% of the world’s coltan, which is processed into tantalum, used in mobile phones ...

A massive landslide this week killed at least 200 people in the Rubaya mine in the eastern DR Congo province of North Kivu, ...

, REUTERS -Rwandan company Boss Mining Solution bought minerals smuggled from rebel-held areas of neighboring Congo, helping fund an insurgency in that vast African country, according to a ...