Driver charged in death of former Justice O'Connor's sister

Jarrad Barnes is seen in an undated photo provided by the Pima County Sheriff's Department. Barnes is facing a manslaughter charge in connection with a collision that killed the sister of former U.S. Supreme Court Justice Sandra Day O'Connor. (Pima County Sheriff's Department via AP)

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In this July 2000 photo, Ann Day poses during her campaign for Pima County Board of Supervisors in Tucson, Ariz. (Benjie Sanders/Arizona Daily Star via AP)

May 7, 2016: Pima County Sheriff's Department deputies examine a wrecked Toyota Prius at the scene of a fatal car crash on East Ina Road west of Westward Look Drive north of Tucson, Ariz. (Alex McIntyre/Arizona Daily Star via AP)

TUCSON, Ariz. – An Arizona man is facing a manslaughter charge in connection with a collision that killed the sister of former U.S. Supreme Court Justice Sandra Day O'Connor.

Pima County Sheriff's officials in Tucson said Sunday that 24-year-old Jarrad Barnes has been booked on one count each of manslaughter and driving under the influence.

Barnes was arrested immediately after being released Saturday night from a hospital for injuries that were not life-threatening.

The sheriff's office did not know if he had an attorney.

Authorities say 77-year-old Ann Day was driving Saturday morning when Barnes' vehicle crossed the median and struck her car head-on.

The collision also led to a truck rear-ending Day's car. That driver also was hospitalized for injuries that were not life-threatening.

Day also is a former Republican state senator and Pima County supervisor.