Eskom board chairperson, Ben Ngubane, has described as preposterous former Mining minister, Ngoako Ramatlhodi's allegations that Eskom CEO Brian Molefe and Ngubane pressed him to blackmail Glencore. Ngubane was speaking on the sidelines of the 17th annual African Utility Week conference in Cape Town. Ramatlhodi claims he was fired for not complying. Earlier Bongi Gwala spoke to former Mining minister, Ngoako Ramatlhodi about his allegations and Eskom board spokesperson Khulani Qoma