A fire at the Holly Frontier oil refinery in west Tulsa sent plumes of thick black smoke into the air early Monday evening.

A fire at the Holly Frontier refinery sent black smoke into the air across Tulsa on Monday. The oil refinery is located at South Union Avenue and W. 17th Street. The fire was visible on a News On 6 ...

A railroad union is pushing for legislation following a seven car derailment in west Tulsa on Thursday. TULSA, Okla. — A ...

A train derailed in Tulsa, blocking 17th Street, with no injuries or hazardous materials reported. The cause is under ...

TULSA, Okla. — A train derailed near the Holly Frontier site in west Tulsa on Thursday. FOX23 was on the scene and saw crews ...