5-ton truck suddenly falls... Driver in his 30s thrown from vehicle and dies = South Korea

A truck traveling downhill in Gijang County, Busan, fell under a retaining wall. The driver, in his 30s, was thrown from the vehicle and died in the accident.
According to the Busan Gijang Police Station on the 26th, a 5-ton truck driven by a man in his 30s, A, went downhill near the Komune Tunnel in Gijang County at around 7:59 a.m. yesterday.
While driving, the truck collided with a guardrail and fell onto the road below a 5-meter retaining wall. Footage from the scene shows the truck running at high speed on the retaining wall next to the road leading into the tunnel.
The truck was seen speeding downhill. It was unable to slow down on the curve and crashed into the guardrail. The truck fell from the top of the hill and crashed into the wall.
At the time of the accident, there were many cars on the road commuting to work, but they stopped immediately and no serious injuries or fatalities were reported.
Rescue workers who responded to the scene after receiving the report found Mr. A, who had been thrown from the car and was lying on the road.
Mr. A was taken to the hospital in a state of cardiac arrest but died. Police and fire authorities are investigating the exact cause of the accident, including acceleration.