(Richmond, IN)--A man who was involved in a Richmond motorcycle accident Wednesday afternoon has died. A rider lost control at the intersection of Industries Road and Chester Boulevard. It did not appear that the motorcycle had collided with any other vehicle. Scanner traffic indicated that bystanders were doing CPR. A medical helicopter responded. The man’s identity has not been released. It’s also unclear if the man suffered a medical incident that led to the crash and his ultimate death or if the crash itself was the cause.