A Pomeroy woman was killed this (Friday) morning following a head-on collision this morning near Rockwell City. According to the Iowa State Patrol, authorities were dispatched at approximately 8:40 a.m. to the intersection of Highway 4 and 220th Street. The initial investigation found a 2009 Ford Focus, driven by 22-year-old Gabrielle Ludwig of Pomeroy, was traveling on the highway when the vehicle crossed the centerline into oncoming traffic. The Ludwig vehicle crashed into the front of a 2012 Ford F350 that was pulling a gooseneck trailer, driven by 85-year-old Larry Harsin of Estherville. Ludwig was pronounced dead at the scene. Harsin and a passenger in his truck, 81-year-old Sandra Harsin of Estherville, were transported by Calhoun County Emergency Medical Services to Trinity Hospital in Fort Dodge with suspected serious injuries. The Calhoun County Sheriff’s Office, Rockwell City Police and Fire Departments, the Iowa Department of Transportation (DOT), and Calhoun County Emergency Management Agency also assisted at the scene. An investigation into the incident is ongoing.