Story highlights
Explosion blows a crater in the ground and destroys barns and cars
The pipeline's owner detected the rupture and cut the flow of gas off
The company is working with authorities to investigate the cause
A gas explosion destroyed three homes and injured at least two people Thursday in central Kentucky, CNN affiliate WHAS-TV reported.
The blast occurred in Knifley, a small, unincorporated rural community about two hours from Louisville.
The explosion blew out a crater and destroyed barns and cars, emergency management spokesman Greg Thomas told the Louisville affiliate.
One of the injured was taken to a local hospital.
The gas flame continued burning after the explosion.
Pipeline owner Columbia Gulf Transmission said it determined the pipeline had ruptured and noted reports of evacuations in the surrounding area.
The company said it cut off the flow of gas and is working with authorities to investigate the cause.