Due to incorrect information provided by police, this story originally said the wreck involved a semi truck rather than a pickup truck.
The Tucson Police Department is responding to pickup truck wreck involving two bicyclists.
Officers say it happened westbound Ajo Way at South Second Avenue.
A man and a woman, who were riding a tandem bike, were transported with life-threatening injuries.
Police are on the scene investigating.
Drivers are advised to avoid the area as it is closed.
Bivian Contreras is a real-time editor for KGUN 9. Bivian graduated from the University of Arizona School of Journalism with a Bachelor's degree in Journalism with an emphasis in Broadcast and is currently pursuing a degree in Broadcast Operational Meteorology. Share your story ideas and important issues with Bivian by emailing email@example.com or by connecting on Facebook, Instagram, and Twitter.