In another unconventional move, public protector Busisiwe Mkhwebane took to social media on Thursday to say that her investigation into President Cyril Ramaphosa was at an "advanced stage".

But unlike her post on Monday, in which she announced that public enterprises minister Pravin Gordhan was implicated in her probe into the so-called rogue unit at the SA Revenue Service, she fell short of confirming that she had served Ramaphosa with a similar notice.

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