A juvenile male was airlifted to Mercy in Des Moines after suffering a head injury while skateboarding. Knoxville Fire Chief Nick Bonstell tells KNIA/KRLS News that it appears the boy hit his head while skateboarding at the Knoxville Skate Park. He says the boy was conscious, but not alert, while he was being airlifted. Bonstell adds that the male was not wearing a helmet at the time of the incident. He says whether skateboarding, biking, rollerblading, or doing any similar activity, it’s important to wear a helmet and protect yourself and your head.