Glendale Police say a woman was left with life-threatening injuries after being hit by an unknown vehicle on Tuesday morning.
The collision occurred near 59th Avenue and Freeway Lane, near Olive Avenue, around 6 a.m.
Police say the woman was found in the roadway with injuries and it appears she was struck by a car, but the car was not on scene.
The victim was taken to the hospital for treatment.
No further information about the incident was given.