Pistoruis, whose original sentence for culpable homicide was five years, will not appeal but experts are predicting the state will appeal for a longer sentence.
The lenient sentence has sparked outrage both in South Africa and worldwide, with the Women’s League of the ruling African National Congress calling it “an insult to women”.
"First five years, now six years? [the judge] is an embarrassment to the justice system," ANCWL spokeswoman Jacqueline Mofokeng told Reuters.
"It is an insult to women in this country."
Angry users have also taken to Twitter to vent their frustration at the lenient sentence.
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