A 26-year-old man has been arrested for allegedly raping 82-year-old grandmother in a bid to get rich.

The incident has recently occurred in the neighbouring Zambia in which Supren Musekiwa was dragged to police cell after raping his grandmother – a mother to his mom.

Provincial Police Commissioner Chola Katanga said the daughter to the victim reported the matter to the police after the victim narrated to her what happened.

“The matter was reported to the police by daughter to the victim Lillian Mungo,” she said.

The police commissioner said the officers mobilised and arrested the suspect who had attempted to escape.

Katanga explained that the victim was also forced to drink some unknown substance by the grandson after the rape.

After being interrogated by police, Mr Musekiwa admitted raping his grandmother adding that he did that because he wanted to get rich.

The woman he raped is the biological mother to his late mother.

“I was told by the witch doctor to sleep with my grandmother in-order to get rich”, Musekiwa told the police.