VERSAILLES, Ind. (AP) — Indiana State Police say the two trucks carrying six southeastern Indiana teenagers had left an Indiana FFA Association event separately a few minutes apart and were not racing at the time of crash.

ISP Sgt. Noel Houze said Monday that investigators who interviewed two of the three surviving teenagers determined neither driver knew the other had left the event at a rural Ripley County church.

He says the drivers took different routes from the church because the size of one of the trucks made it difficult to safely turn left onto the road the other vehicle took.

Houze says the parents of one of the drivers, 17-year-old Thomas Crawford of Dillsboro, have invoked his right to remain silent and declined permission for investigators to interview him.