CHARLESTON, W.Va. — Authorities say a coal miner has been killed at an underground mine in northern West Virginia.

The West Virginia Office of Miners’ Health, Safety and Training says the incident occurred shortly before 4 a.m. Tuesday at Wolf Run Mining LLC’s Sentinel mine in Barbour County.

According to the office, 52-year-old Leonard W. Griffith of Valley Bend, West Virginia, was working on a continuous mining machine when he was struck by a rib roll, which occurs when a block of coal comes loose from the wall or ceiling.

Inspectors from the state office are investigating.

The mine is owned by St. Louis-based Arch Coal.

According to the company, the mine that produces high-volume metallurgical coal has been temporarily idled.

Griffith, an electrician, worked at Sentinel more than three years.

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