The grandmother, 71, was confronted by an intruder in her home in Impendle
Where he locked the three sisters aged 19, 22 and 25 in a bedroom in the house
He dragged them out one at a time to rape them in front of their helpless grandmother
The grandmother died of a suspected heart attack after being held at gun point and forced to watch as her three terrified granddaughters were brutally raped in front of her in South Africa
South African Police investigating the shocking triple rape believe the trauma of helplessly woman having to witness each individual ordeal caused her heart to give out.
Family spokesperson Mzandwile Ndlovu said: 'The suspect had locked the three girls in their grandmother's room and he brought them out one-by-one and raped them
'We found the grandmother in the house but she was already dead and we think that she was so horrified by what she saw in these evil acts that it caused a heart attack.
'The three girls said the suspect did not touch her or harm her so it must be so.'
'There has been no justice for my nieces who are devastated .
This is people are really evil