Two people are dead following a plane crash Monday morning in Bryan County.

OHP troopers said Ryan Richardson and Hadley Workman were killed in the crash.

Troopers said Richardson and Workman died when their plane went into the Red River southwest of the town of Boswell.

Officials said the plane was an experimental two-seater aircraft.

It is currently unclear what caused the crash.

The Federal Aviation Administration and the National Transportation Safety Board have been notified of the crash, troopers said.