The reason was due to long- lasting downpours during the previous days.
Traffic system running across two provinces of Lai Chau and Lao Cai was interrupted.
After receiving the information, the functional forces quickly came to the scene to overcome the consequence and ensure traffic safety for local people and vehicles.
By 3:30 pm, vehicles could travel through the route.
The landslide eroded more than 2,000 cubic meters of soils.