Gauteng police say they have taken 87 people in for questioning, following the murder of nine people in Matholeville in Roodepoort on Friday afternoon.
The bodies of the men, said to be illegal miners from Lesotho, were found lying in the street.
According to authorities, a tenth person was seriously injured and has been sent to a local hospital for treatment.
It is alleged that the nine people were stoned to death by fellow Lesotho zama-zamas.
The suspects had accused the deceased of being involved in criminal activity attracting law enforcement into their illegal mining operational space.
Police spokesperson, Noxolo Kweza says they are investigating cases of murder and attempted murder.