A single vehicle crash in Union County has left three people dead and one seriously injured.

According to State Police, the vehicle was traveling north on Shiloh Road Wednesday afternoon when it ran off the shoulder, through a shallow ditch, only stopping after hitting a tree.

The driver and two passengers were pronounced dead at the scene.

A third passenger was airlifted from the scene.

The names of the deceased are not being released at this time.

The investigation into the cause of the accident in ongoing.