Thursday at noon, Copper Canyon Fire & Medical crews responded to a crash on southbound I-17. Officials say two vehicles rolled at least once during the incident. It appears one of the vehicles was towing the other at the time of the crash. Two people were flown to area hospitals for treatment of their injuries; a family dog was taken to a local veterinarian. DPS is investigating the cause of the crash. The incident only caused a short closure of one lane of traffic.