According to initial information, in the early morning of the same day, at Km334+350 of the Mai Son - National Highway 45 expressway, in the direction of Nghe An - Hanoi (section passing Dong Tien commune, Thanh Hoa province), a chain collision occurred between many cars.

As a result, the accident killed 4 people and injured many others. At the scene, many vehicles were heavily damaged.
Immediately after the incident occurred, functional forces were present at the scene to regulate traffic and investigate and clarify the cause of the accident.