The National Union of Metalworkers of SA (Numsa) wants mineral resources minister Gwede Mantashe to conduct a forensic audit of Lanxess’s chrome mine near Rustenburg and possibly revoke its licence, following allegations of rampant corruption at the mine.

Numsa claims that the company unilaterally changed the rules of the employee share ownership scheme, which was valued at about R70m in 2017.

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