Accordingly, the victims found include: Tan Su May, Ly Lao San and 1 victim whose identity is being determined. Currently, the rescue team is actively searching for the remaining 2 victims.
Previously, as reported by Lao Dong Newspaper, the unfortunate incident occurred at around 10:30 a.m. on May 16. During the construction process, the contractor (Dung Phuc Loc Construction Investment Joint Stock Company headquartered in Nghe An) hired a number of local workers.

At the time of the accident, workers were clearing the foundation holes under the hydroelectric dam, the road's negative slope was eroded, and rocks and soil flowed down, burying many people.
Accordingly, 5 people are missing (determined to have died) including: Tan Su May (born in 1980); Ly Lao San (born in 2008); Tan U May (born in 1984); Phan Lao Lo (born in 2009), all residing in Lan Nhi Thang village, Si Lo Lau commune, Phong Tho district and Luong Van Ha (born in 1987, residing in Que Phong district, Nghe An province).
The Ta Pao Ho 1A Hydropower Project exploits a approach road including 1 main dam to raise water and 3 auxiliary dams to collect water, the total length of the water pipeline tunnels is 4.2km, of which the main pressure tunnel is about 2km long, with a water pole calculated at 281.71m, the plant uses 2 vertical turbines, with an installed capacity of 13.5MW.
The Ta Pao Ho 1A and Ta Pao Ho 1B hydropower projects have a capacity of 24MW, with a total investment of 911 billion VND, and are 2 of 8 hydropower projects invested by Kosy Group in Lai Chau and Dien Bien provinces.