He entered the ditch and struck a tree.

Authorities in northern Minnesota say a driver was killed when a utility vehicle crashed near Biwabik. 

Benjamin Kaiser,37, of Gilbert was driving a utility side-by-side when the vehicle went off the road into a ditch and struck a tree, the St. Louis County sheriff's office said. 

Deputies responded to the crash early Monday afternoon. Despite lifesaving efforts, Kaiser was pronounced dead at the scene.