Officials with the Iowa Department of Natural Resources say a woman was fatally injured in southern Iowa Saturday, when the horse she was riding fell and landed on her shortly before 2 p.m.  The accident happened in Stephens State Forest, southwest of Lucas. The woman, whose name has not yet been released, was airlifted to a hospital in Des Moines where she later died.

The Chariton Fire and Rescue and the Lucas County Sheriff’s Department assisted at the scene. The incident remains under investigation by the Iowa Department of Natural Resources.