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

A landslide earlier this week collapsed several mines at a major coltan mining site in eastern Congo, leaving at least 200 ...

A landslide caused by heavy rain collapsed artisanal coltan mines in eastern Congo, killing more than 200 people. The mines, controlled by M23 rebels, are known for unsafe working conditions and ...

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

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

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

More than 200 people were killed this week in a collapse at the Rubaya coltan mine in eastern Democratic Republic of Congo, Lumumba Kambere Muyisa, spokesperson for the rebel-appointed governor of the ...

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