Six people, including four children, all from North Fond du Lac, were injured in a two vehicle crash in Fond du Lac County. The crash happened Friday afternoon on Rolling Meadows Drive south of County Highway OO. A preliminary investigation indicates vehicle that was northbound, driven by a 27 year old North Fond du Lac man, failed to negotiate a curve and crossed the center line striking a southbound minivan, driven by a 29 year old North Fond du Lac woman, head on. The driver of the northbound vehicle was flown by helicopter to ThedaCare Medical Center in a Neenah. Two child passengers in the minivan, ages five and 12, were flown by helicopter to Children’s Hospital in Milwaukee. All of the other occupants of the minivan had non life-threatening injuries.