(Carlisle, IA) -- A Carlisle high school basketball player is under arrest for an on-court attack. 17-year-old Carter Prenosil is charged with assault causing serious injury, a class 'C' felony. Prenosil punched a Nevada basketball player in the face and stomach during the post-game handshakes Tuesday night. Carlisle Police released a statement that Prenosil had been booked in the Warren County Jail after video of the attack surfaced on social media Wednesday.