Jackson County Sheriff Russ Kettmann said Francis Glaser, 71, was killed during a struggle with Supervisor Larry “Buck” Koos in Maquoketa. That followed a shot fired by Glaser inside the Jackson County Courthouse, Kettmann said.

The shooting occurred during a meeting in which officials were discussing property assessments.

Koos was injured during the struggle when his arm crashed through a glass door.

Maquoketa is 175 miles north of Des Moines.