Netcare 911 paramedics and other services responded to an accident on Barrage Road in Bedworth Park in Gauteng this afternoon.
Upon their arrival on scene they found that a minibus and a heavy goods vehicle were involved in a side-impact accident.
One person was found in a critical condition, two people were found in a serious condition while seven people sustained moderate injuries.
All the injured people were treated on scene before they were transported to various hospitals for further medical care.
Exact detail to the cause of the incident and preceding events are unknown and will remain the subject of a police investigation.