One person was killed when the vehicle they were driving was struck by a semi. The accident happened just before 6 pm Wednesday at the intersection of Highway 151 and Old Dubuque Road in Jones County. The Iowa State Patrol says that the victim, whose name has not yet been released, was stopped on Old Dubuque Road and entered the intersection with 151 and was struck by a semi driven by 50 year old Keith Ahles of Medford, Wisconsin. The victim was taken to Jones Regional Medical Center. The accident remains under investigation by the Iowa State Patrol.