Horse and rider dead after hit-and-run on Nogales Hwy

TUCSON, Ariz. - A horse and rider are dead after a hit-and-run in the 10500 block of S. Nogales Hwy late Saturday night.

The rider was identified as 50-year-old Scott Allen Brown.

Pima County Sheriff's Department says the suspect, 36-year-old Dimas Leon Mariscal, was arrested for leaving the scene of an accident involving serious injury or death.

Officials say Mariscal was driving a small blue pickup truck at the time of the incident and fled southbound from the scene.

The crash closed Nogales Hwy in both directions for several hours overnight.

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