Mine collapses in eastern Congo, leaving at least 200 dead

The collapse happened Wednesday due to heavy rains at the rebel-controlled Rubaya mines. Congo is a major supplier of coltan, which contains a key component in the production of smartphones.(Image credit: Moses Sawasawa)

The collapse happened Wednesday due to heavy rains at the rebel-controlled Rubaya mines. Congo is a major supplier of coltan, which contains a key component in the production of smartphones.

(Image credit: Moses Sawasawa)