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CORAOPOLIS, Pa. (CBS/AP) — An elderly man was killed when his lawn tractor rolled over him in western Pennsylvania, authorities say.

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Police say the accident happened at about 2:15 p.m. Saturday in Moon Township but released few other details.

The Allegheny County medical examiner’s office identified the victim as 75-year-old Joseph Orient and said he died of traumatic asphyxiation. His death was ruled accidental.

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Township police and the medical examiner’s office are investigating.

(© Copyright 2018 CBS Broadcasting Inc. All Rights Reserved. The Associated Press contributed to this report.)