Former Law and Order Minister Adriaan Vlok tells the commission in July that he received orders from former South African President PW Botha to engineer the bombing of the South African Council of Churches in 1988.

BBC: Seeking the truth: Timeline

Former South African President PW Botha is found guilty in August 1998 of contempt for ignoring a summons to appear before the Commission to answer allegations that he led a state-sponsored strategy to silence and harass anti-apartheid activists while in office.

BBC: Seeking the truth: Timeline