Africa's most advanced economy has fallen into recession for the first time in eight years, and pundits are blaming the president.
Members of the leftwing Economic Freedom Fighters have a habit of getting expelled from parliament.
Madonsela investigated misspending by President Zuma and has been warned of death threats.
Zuma has been ordered to repay some of the $23 million state-funded upgrades to his Nkandla homestead.
Zuma is unlikely to step down but the judiciary's authority in South Africa has been reaffirmed.
Mmusi Maimane says that ANC members must vote to impeach Zuma over the Nkandla scandal.
The South African president has to repay some of the state money spent on home improvements.
Opposition party members were ejected for heckling Zuma over his state-funded home improvements.
The South African president used state funds to make build himself a swimming pool and amphitheatre.