Crews are on the scene of a rollover crash on Route 8 South in Penn Township.
The single-vehicle accident happened Friday just before 6:30 a.m. on Route 8 near Old Plank Road.
Dispatchers say a vehicle went over the guardrail and down the hillside.
Crews got on scene and found one person inside the vehicle.
That person was taken by ambulance to the Butler Airport and then flown to a Pittsburgh hospital.
There was also a tree that was reportedly down on Route 8 as well.
Traffic may be delayed.
