# OTHER
> MSHA accident `220251840031` · 06/30/2025 · Rio Tinto Kennecott Copper
## Details
- **Degree of injury:** INJURIES DUE TO NATURAL CAUSES
- **Classification:** OTHER
- **Accident type:** NEC
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Walking, Running
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** HEART ATTACK
- **Body part:** BODY SYSTEMS
- **Days lost:** —
- **Mine experience:** 18.31 years
## Operator
- **Controller:** Rio Tinto Group
- **Operator:** Rio Tinto Kennecott Copper
- **Mine:** [4201996](https://api.morvs.ai/mine/4201996)
## Narrative

The death was caused by a heart attack, as confirmed on the death certificate. This was a personal medical event unrelated to work. No workplace factors contributed, and no controls could have prevented a condition not linked to occupational exposure.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · MORVS · CC0 1.0*