(Gratis, OH)--A total of six people were hurt in a weekend Preble County crash.  It happened in the pre-dawn hours Saturday in Gratis.  Investigators say the at-fault driver went through a stop sign and struck a westbound vehicle on State Route 725 nearly head-on.  Five people were taken to area hospitals with non-life-threatening injuries.  The other person was treated at the scene and released.  No names were released, and the crash remains under investigation.