The bomb was found on Saturday by some local residents when grazing their cattle at Chieng Co Commune, Son La City.

The 600-kilo bomb found in Son La
The bomb is 1.5 metres long and has a diameter of 0.75 metres. It weighs roughly 600 kilos.
After being informed, the provincial military removed the bomb from the residential area for detonation.
Another 600-kilo bomb was also recently discovered in Son La Province by local residents while they were excavating house foundations.