Rebel authorities in eastern Congo say at least 200 people were killed in a landslide at coltan mines. The collapse happened ...

Several mines collapsed in region that produces 15% of world’s supply of rare metal that is key for production of smartphones, computers and aircraft engines ...

The Rubaya site produces about 15 per cent of the world's coltan, a key ingredient used to make smartphones.

The accident happened at the Rubaya mines in the Democratic Republic of the Congo. At least 200 people were killed earlier ...

Washington lobbies African nation to award sale of copper and cobalt producer to consortium led by US group Virtus ...

Over 200 people were reportedly killed in a collapse at the Rubaya coltan mine in eastern Democratic Republic of the Congo ...

More than 200 people are feared dead after a massive collapse at the Rubaya coltan mine in eastern Democratic Republic of the ...

Rights groups have raised concerns over conditions at the mine, which supplies about 15 percent of the world's coltan.

More than 200 people are feared dead following a mine collapse in North Kivu province in eastern Democratic Republic of the Congo, according to media reports on Friday, citing rebel-appointed ...

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

More than 200 people were killed this week in a collapse at the Rubaya coltan mine in eastern Democratic Republic of Congo, ...