A young child is hospitalized with serious injuries following a pedestrian crash Sunday afternoon in Darke County. Emergency dispatchers report the incident occurred around 3:00 p.m. along the 200 block of State Route 503, just outside Arcanum, when a vehicle struck the child. First responders requested CareFlight, which airlifted the victim from the scene to receive trauma treatment. Authorities continue to investigate the cause of the collision, and further updates are expected.