A 14-year-old boy with a head injury will require Mercy Flight transportation to a hospital. He's a rider at the Area 51 motocross track in East Pembroke, located at 3500 Harloff Road.
The Batavia helicopter is responding, along with Mercy Medics and East Pembroke Fire Department.
He's believed to be in the "far left area" of the facility.
UPDATE 8:16 p.m.: Mercy Flight has landed.