Optimum Coal Mine
The U.S. department of justice has subpoenaed documents relating to Glencore's operations in Nigeria, the DRC and Venezuela.
The struggling mines are renegotiating their contracts with Eskom.
The Guptas reportedly received another VAT refund via a third party, in what looks likes a bid to save Optimum Coal Mine.
Workers at a third Gupta-owned mine have not been paid, as have employees at the family's former media houses.
The striking workers at Optimum coal mine demand to know the "truth of the sale" of the mine, and want a guarantee that they will be paid.
The Guptas' mining company exclusively supplies two major power plants.
Workers want clarity on their future after the Guptas' crumbling empire threatens their jobs.
Matshela Koko and Prish Govender will return to work.
The EFF's Floyd Shivambu laid down the law during Thursday's parliamentary inquiry into state-owned enterprises.
The organisation says it is concerned that the funds will go missing.