A pedestrian suffered serious injuries when that person was hit by a vehicle on Waupaca’s east side Sunday afternoon. According to Waupaca police, the accident happened around 1:15 at the intersection of Royalton and Harding Streets, near the Waupaca County Courthouse. Police say the pedestrian suffered multiple injuries, and was airlifted to ThedaClark Regional Medical Center in Neenah. Police also say the driver of the vehicle was not hurt, and did stay at the scene, cooperating with authorities. The accident remains under investigation.