TUSTIN (CBS) — Tustin police are investigating the death of a woman who was hit and then dragged for about a mile by a car driven by a 70-something motorist.

Authorities say a female driver hit a woman who was walking near Redhill Avenue and an exit for Interstate 5.

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They say the pedestrian was then dragged for about a mile until the driver reached the intersection of Newport Avenue and El Camino Real in Tustin.

Police say it is unclear whether the victim was killed instantly or died after she was dragged.

They also said the driver wasn’t aware she hit someone.

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Officials do not know if the accident was weather related, but say it was raining at the time.

Neither victim nor the driver have been identified.

The driver was reportedly so traumatized by the incident that paramedics had to be called, according to authorities.

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