An explosion Friday night at a Wynnewood Refinery, OHP confirms the explosion.
It happened at the Wynnewood Refinig Company on Highway 77, the facility is located just east of I-35.
Witnesses say it happened sometime after 8:30 pm Friday.
The explosion sent flames hundreds of feet into the air, and was seen for miles.
Earlier on Friday, lightning struck the refinery, setting a tank on fire before noon nobody was hurt in that incident.