Add Yahoo as a preferred source to see more of our stories on Google. A landslide triggered by heavy rains has killed more than 200 people at the Rubaya coltan mine in the eastern Democratic Republic ...

GOMA, Congo (AP) — A mine collapse at a major coltan mining site in eastern Congo left at least 200 dead, according to Congolese authorities, a number disputed by the rebel group that controls the ...

Rubaya produces around 15% of the world’s coltan, which is processed into tantalum, a heat-resistant metal that is in high demand by makers of mobile phones, computers, aerospace components and gas ...

GOMA, Congo (AP) — A landslide earlier this week collapsed several mines at a major coltan mining site in eastern Congo, leaving at least 200 people dead, rebel authorities said Saturday. The collapse ...

RUBAYA, Democratic Republic of Congo (Reuters) -Under the watchful eye of M23 rebels in the hills around the Congolese town of Rubaya, a line of men in rubber boots ferry sacks full of crushed rocks ...

GOMA, Congo (AP) — At least 200 people were killed earlier this week when a landslide collapsed several mines at a major coltan mining site in eastern Congo, rebel authorities said Saturday. The ...