lights and sirens

Officers have closed westbound Valencia Road at Oak Tree Drive due to a collision with injuries, officials say.

Tucson Police spokesman Officer Ray Smith said one vehicle rolled over and an elderly woman was transported to the hospital with serious injuries. 

The westbound side of the road will be closed for one to two hours.

Police haven't released whether there were other vehicles involved in the collision or any additional details. This is an ongoing investigation.

Contact reporter Danyelle Khmara at or 573-4223. On Twitter: @DanyelleKhmara