On Tuesday, a father and son were traveling in a tractor toward Newburg, ND.
The 39-yr-old man was driving a John Deere 8960 tractor and the boy was riding inside the cab of the tractor when the left side door opened and the 3-year-old boy fell out.
The tractor was moving and the child was run over the by left rear tires of the tractor.
The boy was pronounced dead at the scene.
The accident remains under investigation by Highway Patrol.