A contractor suffered burns when a propane line he was working on exploded.

The incident happened around 10:20 a.m. Thursday on Hollowbrook Road in Tewksbury Township, Hunterdon County, New Jersey.

The 37-year-old victim was working on a propane line for a heated swimming pool when the line exploded, officials said.

The victim, whose name has not been released, was flown to St. Barnabas Hospital in Livingston with first and second degree burns.