EL RENO, Okla. - Emergency crews rushed to a home in Canadian County after an apparent explosion on Wednesday afternoon.
Shortly before 4 p.m. on Wednesday, authorities were called to the home at 1120 S. Hadden in El Reno after the possible explosion.
Residents three blocks away reported hearing their windows rattle and feeling their floors shake.
El Reno officials confirm one person was injured and taken to a nearby hospital for treatment.
As of Wednesday night, she is in critical condition, according to El Reno fire officials.
People in the area ran to her aid after hearing the house explode.
Neighbors tell NewsChannel 4 they found her in the backyard about 50 feet away from her back door, badly injured and covered in siding.
An air ambulance carried her to OU Medical Center.
Neighbors, like Devon Woods, said it sounded like a "quick, loud explosion," and police told them it was related to a gas leak.
Bob Moore Chopper 4 was also on the scene.
As of Wednesday night, officials had not found the cause of the explosion.
The OHP Bomb Squad was briefly on scene, but the El Reno fire chief said there is no sign an explosive device was involved.
An Oklahoma Natural Gas spokeswoman said all tests came back negative for a gas leak.
Only one home was damaged in the explosion, though crews said a chimney is threatening the house next door.
The city plans to knock the chimney down as soon as possible.
The home will also have to be demolished.