Bloomberg reports: Another nine miners have died after an accident at the Gold Fields [NYSE:GFI] South Deep mine near Randfontein in Gauteng, the chief inspector of mines said on Thursday.

On April 29, Gold Field’s reported that one worker had died at South Deep, while another three were killed at Driefontein.

The mine's chief inspector Thabo Gazi said he received a report about today’s accident around 12 p.m. It is believed that the cage carrying the men fell down the shaft after a rope snapped.

The National Union of Mineworkers (Num) is furious and has called for "heads to roll" at Gold Fields. Spokesperson Lesiba Seshoka said the rope that broke was meant to be maintained once a week.