By Lehlohonolo Lehana.
Six people were killed and about 60 others injured when a bus they were travelling in crashed off a bridge on the N3 highway in Heidelberg on Sunday.
The accident happened near the N3 Die Hoek Toll Plaza in Gauteng.
ER24, provincial fire and emergency medical services as well as other emergency services arrived on the scene to find the large bus on its roof on the side of the road.
A number of passengers had already climbed out of the crushed bus and were seated near the vehicle, while several others were trapped in the wreckage.
According to Arrive Alive, medics set up a triage area and began to treat the injured.
Further medical resources were called to the scene, including medical helicopters, to help assess, treat and transport people to medical facilities.
Emergency services are still on the scene, treating the injured.
In a separate incident in the early hours of Sunday morning, a bus crash on the N3 in Mpumalanga claimed the lives of 12 people.
The Road Traffic Management Corporation (RTMC) said reports indicated that the bus crash occurred on the N3 in Grootvlei.
On Saturday, 16 people died in another deadly road accident on the N3 near Pietermaritzburg.
A truck driver lost control of his vehicle when the wheels on the right side of the truck apparently came off, resulting in the vehicle overturning onto the centre embankment.
The accident resulted in a deadly 10-vehicle pile-up on Peter Brown Drive and the Chatterton Road offramp.