More than 200 killed in coltan mine collapse in east Congo, official says

KINSHASA: More than 200 people were killed this week in a collapse at the Rubaya coltan mine in eastern Democratic Republic of Congo, Lubumba Kambere Muyisa, spokesperson for the rebel-appointed governor of the province where the mine is located, told Reuters on Friday. Rubaya produces around 15 percent 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 turbines.

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