Deputies are on scene of a deadly motor vehicle collision at Ina Road and Westward Look.
The Pima County Sheriff's Department says that Ann Day, former Pima County Board of Supervisor, died in the collision.
Deputies responded to the call at 7:42 a.m. and when they arrived Day was being tended to by civilians on scene. A battalion chief from Northwest Fire transported her to the hospital where she was pronounced dead at 8:37 a.m.
PCSD says a black sedan was going westbound on Ina at a high rate of speed and was driving erratically. The sedan was bouncing off of curbs and crossed the center median and struck Day's Prius head on. A pickup truck trailing Day's car was unable to stop and rear ender Day's vehicle.
The other two drivers were transported to the hospital with serious but non life-threatening injuries.
Day was 77-years-old and served as a supervisor in District 1 for 12 years.
Day is the sister of former U.S. Supreme Court Justice Sandra Day O'Connor.
The collision is still under investigation at this time.
County staff and elected officials are saddened at the news of former District 1 Supervisor Ann Day's death today. She will be missed.
— Official Pima County (@pimaarizona) May 7, 2016
“I'm deeply saddened by the sudden passing of Ann Day. With Ann's tragic death, our state has lost a tireless advocate who dedicated her life to public service – as a teacher, State Senator and Pima County Supervisor. A self-proclaimed lifelong "cowgirl from Lazy B" ranch, Ann will always be remembered for her passionate and pragmatic approach that benefited so many citizens across our state. Cindy and my prayers are with Ann's family and loved ones, as well as the entire Arizona community, during this difficult time," said U.S. Senator John McCain (R-AZ) in a press release.
Pima County released a statement saying county staff and elected officials were saddened at Day's death this morning.
"I am terribly saddened at the news of Ann Day's tragic passing this morning. She dedicated her life to public service, including honorably serving the people of Pima County for 12 years. She was my friend and colleague and I will deeply miss her cowgirl common sense approach to life and public policy," said Sharon Bronson, Board of Supervisors Chair.
U.S. Senator John McCain (R-AZ) released the following statement:
"I'm deeply saddened by the sudden passing of Ann Day. With Ann's tragic death, our state has lost a tireless advocate who dedicated her life to public service - as a teacher, State Senator and Pima County Supervisor. A self-proclaimed lifelong ‘cowgirl from Lazy B’ ranch, Ann will always be remembered for her passionate and pragmatic approach that benefited so many citizens across our state. Cindy and my prayers are with Ann's family and loved ones, as well as the entire Arizona community, during this difficult time."