lights and sirens

Pima County Sheriff's detectives have identified a 38-year-old man killed in a rollover crash on the southwest side Tuesday afternoon. 

Roberto Valdez was the lone occupant in the vehicle when the crash occurred on West Irvington Road at West Moonlit Saguaro Court, authorities said.

It is still unknown if any impairments were contributing factors in the crash.

The crash happened about 4 p.m. and blocked traffic in the area near West Irvington and South Cardinal Avenue for some time Tuesday afternoon.

No further information has been released.

Contact Star reporter Shaq Davis at 573-4218 or

On Twitter: @ShaqDavis1