CARNEY, Okla. (KFOR) — Emergency crews responded to a large grass fire in Lincoln County near the town of Carney late Tuesday morning. Video from McIntyre Chopper 4 shows a large area of burned land heavy smoke as firefighters work to extinguish the flames. Lincoln County grass fire. Image KFOR. Lincoln County grass fire. Image KFOR. Lincoln County grass fire. Image KFOR. Lincoln County grass fire. Image KFOR. The Oklahoma Highway Patrol has reportedly shutdown Highway 177 near Carney as crews continue working at the scene. The cause of the fire is currently unknown.