The media briefing was scheduled for Thursday morning at Parliament, the party said in a Twitter post.

"The African Christian Democratic Party will hold a media conference on Thursday, 28 March 2019, to welcome Vytjie Mentor and others to the ACDP."

Neither party leaders nor Mentor could immediately be reached for further details.

Mentor is a former chairperson of the parliamentary portfolio committee on public enterprises, who has claimed that the Gupta family offered her a Cabinet post in return for political favours.

She has been outspoken in her criticism of the ANC recently. Her decision to join the conservative ACDP comes just more than a month before national elections.

African News Agency (ANA)