PRESTONSBURG, Ky. (WMDJ) — A Prestonsburg woman is facing charges after a vehicle struck a pedestrian Saturday afternoon in Floyd County.

According to Kentucky State Police, troopers responded around 12:45 p.m. May 30 to a reported vehicle-versus-pedestrian collision on Ky. 1428 in Prestonsburg.

Police said the pedestrian suffered life-threatening injuries and was flown to a nearby hospital for treatment.

The driver, identified as Julia Vanderpool, 55, of Prestonsburg, remained at the scene and was questioned by investigators. According to an arrest citation, Vanderpool told troopers she had taken prescribed medications, including Neurontin and Xanax, earlier in the day.

Troopers administered a standard field sobriety test. Following the investigation, Vanderpool was arrested and charged with first-degree assault and first-offense DUI.

She was taken to Highlands ARH for a blood draw before being lodged in the Floyd County Detention Center.

The incident remains under investigation by Kentucky State Police.