TUCSON (KGUN9-TV) - Crews with Northwest Fire District are on the scene of a single-vehicle rollover.
Brian Keeley, spokesperson with Northwest Fire District says the rollover happened on the westbound frontage road between Cortaro and Twin Peak.
Traffic on the freeway is unaffected. The westbound frontage road between Cortaro and Twin Peak is closed at this time.
Marana Police are on the scene investigating the collision.
We have a crew headed to the scene and will have the latest for you as soon as it becomes available.