Heavy rain and thunderstorms caused landslides and sand spills.

Accordingly, on the night of June 20, in Luong Son town and Hoa Thang commune, there was local heavy rain, causing landslides and sand spilling onto the road. In Luong Son town, sand spilled onto the road at Km 1651+100, Km 1658+00, National Highway 1A with a length of about 40m, 8m wide. In Hoa Thang commune alone, sand spilled onto DT 716 road at km 42+400 with a length of about 30m, 5m wide, and about 5cm deep. Heavy rain also flooded, washed away, and buried 12 hectares of crops and fruit trees of local people, including 0.8 hectares of vegetables, 0.2 hectares of rice, 1 hectare of custard apple, 5 hectares of cassava, and 5 hectares of melon trees. The estimated damage was about 120 million VND.

Immediately after the disaster, the People's Committee of Bac Binh district directed relevant departments and localities to coordinate with Binh Thuan BOT Company Limited and the Provincial Road Maintenance Management Board to mobilize workers and vehicles to organize traffic guidance and diversion. At the same time, they deployed the handling and clearing of the amount of soil and sand spilled onto the road surface at the landslide locations. Traffic on the route was ensured for normal traffic.