At Least 200 Dead in a Congo Coltan Mine Collapse, Authorities Say, as Rebels Dispute Toll

At Least 200 Dead in a Congo Coltan Mine Collapse, Authorities Say, as Rebels Dispute Toll A mine collapse at Congo’s key Rubaya coltan site kills large numbers of miners, and officials and rebels sharply dispute the death toll. Congolese mining authorities say the collapse happened on Tuesday and left at least 200 dead.