(Darke County, OH)--Two people were killed in a Darke County crash Monday morning.  Investigators say it happened when 20-year-old Michael Miller of Union City rear-ended another vehicle on North Star – Fort Loramie Road in northern Darke County.  The impact forced a car occupied by 66-year-old Kenneth Goubeaux and 97-year-old Rita Goubeaux off the road and then to overturn.  They were both pronounced dead.  Miller suffered minor injuries.  The investigation is continuing.