At around 11 am on Friday, while driving an excavator and dredging a reservoir in Bai Sao area in Ky Phong Commune, Nguyen Tien Trung detected the bomb at the depth of 40 cm.
The bomb found in Ky Phong Commune
He quickly informed local authorities of the case.
Vo Tien Suu, chairman of Ky Phong Commune said that the location where the bomb has been found has cordoned off.
The bomb is 1.8 metres long and has a diameter of 25 cm and dates back to the American war, Suu added.