COUNCIL BLUFFS, Iowa (AP) — Authorities say a pilot was injured when his crop-dusting helicopter crashed in western Iowa. The crash occurred around 5:45 p.m. Tuesday, a couple of miles  south of the Council Bluffs Municipal Airport. Pottawattamie County Sheriff Jeff Danker says the pilot was taken to a Council Bluffs hospital for treatment. The pilot’s name hasn’t been released. The crash cause is being investigated.