PHU THO — The explosion of a steel-pellet bomb in Chi Dam Commune, Doan Hung District, northern Phu Tho Province, left four students from the local Tien Phong Secondary School seriously injured yesterday.
The bomb, found by two other students of the same school by the Lo River, caused an explosion after another student threw it against a tree.
The four injured students, who stood nearby, were taken to hospital.
Local police investigations remain on-going. — VNS