Scores of people have sustained moderate to minor injuries after two trains collided with each other at Swinton road in Durban.
The exact detail to the cause of the incident will form part of an investigation.
Netcare911 paramedics and various other services are on scene treating the injured.
Paramedics are still assessing patients to establish the severity of their injuries.
It is not yet clear how many people will be transported to hospital for further medical care.
Authorities are on scene.
This incident happened this afternoon at about 16h00.