Death Toll Rises to 13 in South Africa Mining Tragedy

Impala Platinum and South African government launch investigation as 50 workers remain hospitalized.

Death toll from South Africa mining disaster rises to 13 after another worker dies in hospital.
50 workers remain hospitalized, with eight in critical condition.
Accident occurred when an elevator carrying 86 workers plummeted 650 feet down a mine shaft.
Impala Platinum, the mine operator, and the South African government have launched an investigation.
Impala Platinum to hold a day of remembrance on Wednesday and release the names of the deceased.