Pima County Sheriff's detectives are investigating a two-vehicle collision which left two men dead on Tucson's south side.

At about 7:30 p.m. Sunday, a 32-year-old man and 29-year-old man were involved in the collision at Los Reales and Swan Roads.

The men died as a result of their injuries, said Deputy James Allerton, a sheriff's department spokesman. He added they were the lone occupants in their vehicles.

The investigation is ongoing.

No further information has been released.

Contact Star reporter Shaq Davis at 573-4218 or sdavis@tucson.com

On Twitter: @ShaqDavis1