AUGUSTA — State investigators are still trying to determine how an Augusta teen was burned outside a Maple Street home Monday afternoon.

Sgt. Kenneth Grimes of the State Fire Marshal’s Office the teenage boy, whom officials have not identified, was burned when something exploded in a campfire. Grimes said it unclear exactly what exploded, but it was not a deliberate act to cause injury.

Grimes did not know the teens condition. Deputy Chief Dave Groder of the Augusta Fire Department said Monday that the injuries did not appear to be life threatening.

Grimes said investigators have had limited cooperation in their effort to find out how the boy was burned. 

“I don’t know if we will ever know for sure what happened,” Grimes said.