Authorities say a 7-year-old boy was seriously injured after falling from a tractor in Morrison County.

The boy was reportedly riding on the tractor with Austin Stangl, 26, of Brainerd when the incident took place.  Stangl was driving the tractor about one mile south of Harding in Morrison County when it hit a bump and threw the boy off, hitting his head on the ground.

The boy, from Brainerd, was airlifted by Life Link air ambulance to Hennepin County Medical Center.  His name has not been released.

That incident remains under investigation.