Tucson Police Siren Photo

A motorcyclist sustained life-threatening injuries in a motor vehicle crash on Tucson's east side Wednesday afternoon, authorities said.

Tucson police officers have closed northbound Pantano Parkway from Golf Links Road for the next several hours. Drivers should avoid the area.

No further information has been released.

Contact Star reporter Shaq Davis at 573-4218 or sdavis@tucson.com

On Twitter: @ShaqDavis1