Nixa, MO- Brian Vandenberg, KY3 News -Investigators know more about a trailer fire that seriously injured two people.The Nixa Fire Department says a gas leak caused the trailer to explode on Oct. 1.

Investigators say the damage was too bad to determine what caused the leak.Witnesses say they heard a loud bang and then they saw 30-foot flames roll out of the home in the 600 block of Janny Lane.One witness says he tried to help but he couldn’t communicate with the two injured people because they were only speaking Spanish.They remain hospitalized in the burn unit of a hospital in Springfield.