According to initial information, the accident occurred at 10:30 p.m. on December 3, at Km110+32, in Trong Phu hamlet, Phong Phu commune, Tan Lac district.
At this time, the motorbike with license plate 28E1-183.10 was driven by Ha Cong T (born in 2007, residing in Bach hamlet, Van Son commune, Tan Lac), carrying Bui Yen N (born in 2012, residing in Tan Binh hamlet, Phong Phu commune) behind, traveling in the direction of Hanoi - Son La.
When T's motorbike was overtaking a passenger car with license plate 27F-000.61 in the same direction, it suddenly encountered and collided with a tractor-trailer with license plate 26H-001.41 pulling a trailer with license plate 26R-006.88 driven by Mr. Pham Duc T (born in 1983, residing in sub-area level 3, Nong Truong town, Moc Chau, Son La) going from Son La to Hanoi.
Then, the motorbike fell to the right side of the road and continued to collide with a passenger car with license plate 26F-000.61 going in the same direction.
As a result, Bui Yen N died on the spot; Ha Cong T was injured.
Previously, on the night of December 1 and early morning of December 2, in Tan Lac district, there were also 2 consecutive traffic accidents that killed 6 people.