A boy was hit by a car while he was riding his bicycle in Pinellas County on Tuesday morning.Clearwater Police and Clearwater Fire & Rescue responded to the crash at Palmetto Street and Vine Avenue around 8:23 a.m.Officials said the 12-year-old boy was flown to All Children's Hospital in St. Petersburg with serious but not life-threatening injuries. The driver remained at the scene and is cooperating with the investigation, according to officials. No other details are available at this time.