Mamelodi police are investigating a case of concealment of birth after the bodies of twin baby boys were found at a dumpsite on Wednesday.
The babies were discovered at the illegal dumpsite by a local man looking for scrap metal.
Police spokesperson Captain Johannes Maheso said the man informed the police.
Maheso said a case of concealment of birth had been opened and the police were investigating.
He appealed to residents to come forward with any information that could lead to arrests.
The discovery angered many residents, who promised to cooperate with the police to find the culprit.