A small passenger plane crashed into a soybean field near Ponca City Saturday, Oklahoma Highway Patrol officials confirm.

OHP says a plane with three adults and two children on board crashed north of Hubbard Road and U Street.

Kay County Sheriff Steve Kelly says there are confirmed fatalities.

OHP tells News 9 there are at least five fatalities. 

 The FAA and National Transportation Safety Board will investigate the crash.

The victims have not been identified, pending medical examiner identification.

The victims are confirmed to be from Independence, Kansas. 

This is a developing story. News 9 and News9.com will keep you updated as more information becomes available.