Authorities in the northern province of Vinh Phuc on October 31 detonated two bombs which had been discovered in Bach Luu commune of Song Lo district.
The bombs, weighing 300-400 kg each, were said to be left over from the resistance war against US imperialists.
Earlier, the Division of Education and Training of Song Lo district requested the temporary suspension of teaching and learning on the morning of October 31 at schools in six communes and one town to ensure safety for local teachers and students.
In recent years, some localities in Vinh Phuc have discovered and detonated bombs and ammunition left from the war. On October 24, a war-time bomb weighing 1,362 kg was also removed to a safe location in the capital city of Hanoi. (Qdnd, VTV, Tintuc, VietnamPlus)