A student suddenly became fatigued while warming up for a physical education lesson and died later in Binh Dinh Province, south-central Vietnam on Friday.
Dao Duc Tuan, director of the Binh Dinh Department of Education and Training, announced the incident on the same day.
The P.E. lesson took place at around 7:00 am at the yard of Nguyen Dieu High School in Tuy Phuoc District, Binh Dinh.
During the warm-up session, the P.E. teacher noticed N.T.H.L., 15, who is in tenth grade at the school, looked tired and his face turned pale.
Teachers and medical staff of the school immediately gave first aid to L. and transferred him to a local health station and then to the Medical Center of Tuy Phuoc District.
However, L. failed to recover.
L. has a history of heart disease, according to Nguyen Hung Tan, deputy chairman of Tuy Phuoc District.