BILLINGS, Mont. (AP) — Authorities have identified the woman killed in a weekend hit-and-run crash on the north side of Billings.

The Billings Gazette reports 22-year-old Tristan Gray was found dead early Saturday morning in the eastbound lane of Montana Highway 3 near the Billings Logan International Airport.

Yellowstone County Assistant Deputy Coroner Rich Hoffman says Gray was killed by multiple blunt force trauma caused by a vehicle.

Police are searching for two "vehicles of interest" observed departing the area before officers arrived at the scene. One was a white 2000s model Yukon or Suburban and the second a dark-colored mid-1980s pickup truck, possibly towing a trailer.

Authorities ask people with information about the crash to call the Billings police.

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Information from: The Billings Gazette, http://www.billingsgazette.com