A house explosion injured at least two people in West Virginia on Monday.

The explosion occurred at a home on Cloverdale Drive in Charles Town at about 1 p.m., completely destroying the house.

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Neighbors told FOX 5 Photojournalist Van Applegate they felt a blast and witnesses said the homeowners had trouble with their propane furnace Sunday evening.

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Witnesses told FOX 5 a technician arrived at the home on Monday to work on the propane furnace and smelled gas.

The homeowner and technician began opening windows when the explosion occurred, according to witnesses.

The homeowner and the technician were taken to the hospital with non-life threatening injuries, according to witnesses.

Neighbors told FOX 5 there were also two teenage boys at the home at the time of the explosion but they were not injured.

Heavy smoke was visible from the distance and rubble was thrown near the street. Neighbors in homes nearby reported minor damage from the blast.

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Authorities said fire crews from neighboring Loudoun, Clarke, Berkeley and Jefferson counties responded to the scene to assist.

Fire officials told FOX 5 they were still working to determine the exact cause of the explosion.