The MTN Group South Africa has announced the resignation of MTN CEO in Nigeria, Michael Ikpoki and that of head of regulatory and corporate affairs, Akinwale Goodluck sequel to the humongous fine imposed on the telecoms giant. The company said it was part of a new operating structure and senior management changes.Their resignation took effect from 1 December, 2015. On a brighter note, the Nigerian telecoms authorities have reduced the $5.2 billion fine imposed on MTN to $3.4 billion.