Madison County Sheriff

EARLHAM (AP) — Authorities say an employee was killed after a blast at a Madison County quarry.

Madison County Sheriff Jason Barnes said in a news release that it appeared that debris struck 42-year-old Tracy Hockmeier of Winterset “following a routine blast” at the Martin Marietta Earlham Quarry Tuesday night.

Barnes said a 911 call was placed around 6:40 p.m., and Hockmeier was pronounced dead at the scene.

An investigation into the incident is ongoing.

Assisting the Madison County Sheriff’s Office at the scene was the Earlham Fire Department, Madison County Medical Examiner’s Office and Madison County Ambulance.