A power utility office in the Central Highlands province of Lam Dong burned to the ground in a fire that broke out in the early hours of Sunday morning.
Local reports say that in the half-an-hour it took for firefighters to arrive on the scence, the office had already been engulfed by the fire.
The firefighters tried to contain the flames from spreading out to the neighborhood, but the fire also destroyed an adjacent woodwork factory.
No casualties have been reported.
Nguyen Thanh Tung, a witness, said he was among the first to see the fire, and the flames were already high then, producing large clouds of smoke.
Local police are investigating the cause of the fire that destroyed all documents and machinery in the office.