Large grass fire shuts down State Highway 20 near Ranchland Rd. for over an hour

Video updated 9:22 a.m.

SKIATOOK, Okla. – A large grass fire on State Highway 20 at Ranchland Rd. just west of Skiatook shut down the highway.

Officials shut down part of the highway due to poor visibility from smoke.

We are told the fire is burning in a field and several crews are on scene trying to contain it.