(Darke County, OH)--A Careflight helicopter responded to a crash in Darke County Monday morning.  It happened at just before 5 o’clock Monday morning near the intersection of U.S. 127 and Grubbs-Rex Road.  That’s a few miles north of Castine.  127 was declared shut down by Darke County officials at 5:30 Monday morning.  By 6 a.m., there had been no details regarding injury of those involved or of the crash itself.