The ANC on Wednesday called on Public Protector Busisiwe Mkhwebane to investigate her predecessor for releasing details of her interview with President Jacob Zuma.

The party wanted to know if Thuli Madonsela acted unethically and violated the Public Protector Act, spokesperson Zizi Kodwa said.

Mkhwebane had said leaking the audio recording of the interview was in contravention of the act.

Kodwa said that, by making the interview public, Madonsela had undermined the reputation and credibility of her own investigation into state capture, and that of the Public Protector’s office.

“There can be no justification for such behaviour. This conduct fuels a public perception that she wasn’t independent and acted with impunity.”

He said she could have submitted her interview with Zuma during a judicial review into her report.

The Citizen reported that Madonsela had told the Association of Black Securities Investment Professionals’ annual conference that she did it to demonstrate that Zuma had been given a chance to answer questions during her investigation. He claimed she did not give him the opportunity.