PIMA COUNTY — Tucson, February 10, 2015. Mountain Vista Fire District Units were dispatched, along with Northwest Fire District to a motor vehicle collision at approximately 9:24 this morning. The drivers from each vehicle were involved in a head-on type collision. No other occupants were involved. The vehicles were traveling east and west bound at the 5200 block of West Linda Vista. Each of the drivers, a 27 year-old female and a 23 year-old male were injured and taken to University Medical Center by Southwest Ambulance. All agencies involved arrived within minutes and worked cooperatively to extricate and transport patients for immediate care. The accident is under investigation by the Pima County Sheriff’s Office.