BELLEVIEW, Fla. -

A 13-year-old boy was critically injured Tuesday when he crashed a motorcycle into a fence in Marion County, the Florida Highway Patrol said.

FHP officials say Samuel Brinson was not wearing a helmet when he veered off the road at SE 121st Place and SE 82nd Terrace around 10 p.m.

According to the FHP, an witness said Brinson was driving above the speed limit when the crash happened.

Brinson was airlifted to Shands Hospital at the University of Florida.

No other details were released.