According to initial information, the accident occurred at 9:55 a.m. on July 21 at Km116+400 National Highway 4D (in Chu Lin 2 village, Trung Chai commune, Sa Pa town, Lao Cai province).
At that time, a passenger car with license plate 51B-039.XX driven by Mr. Tran Tien T was traveling in the direction from Sa Pa town to Lao Cai city. When arriving at Km116+400, the passenger car suddenly lost its brakes.
To avoid colliding with other vehicles, the male driver drove the car up the positive slope (to the left of the direction of traffic) to slow down.
The incident caused 38 passengers on the bus to panic and scream loudly. Luckily there was no human damage.
At the scene, the passenger car's front was damaged (dented and deformed), the rear of the car had its tires damaged, the luggage compartment was broken, and furniture was thrown outside.
Immediately after the accident, authorities arrived at the scene to investigate the cause and divert traffic.