Four people have died and 1 injured, after a vehicle they were traveling in overturned on the N12 near Middelburg, in Mpumalanga .
The Provincial Department of Safety, Security and Liaison says the cause of the crash is not yet known. However, they suspect reckless and negligent driving.
"Two more people escaped with slight injuries. They include the driver of the vehicle. The investigation into the crash is already under way , says Departmental Spokesperson, Moeti Mmusi.