Lackawanna County, PA — An investigation is underway after two people were found dead inside a home Sunday.

Fire crews were called to the place along Main Street in Fell Township around 1 p.m. Sunday.

Fire officials tell Newswatch 16 that two women died due to carbon monoxide poisoning.

Carbon monoxide is a colorless, odorless gas that, if not properly ventilated, could become dangerous and, in some cases, lethal.

A man was also taken to the hospital for treatment; there’s no word on his condition.

The names of the victims have not yet been released following the incident in Lackawanna County.