The scene of the accident.
The boiler suddenly exploded, killing two mechanics at the site. The victims were identified as Nguyen Van Tu, 42, and Nguyen Van Thuy, 32. Many workers tried to put out the fire and one of them was injured.
A rescue teams of 10 fire engines and 100 firefighters were sent to the site and they were able to brought the fire under control at 10 am on the same day.
Police are investigating the cause of the explosion.
