(Richmond, IN)--One person was seriously injured when a van collided with a school bus at the intersection of Salisbury and Rich Road Thursday morning.  No children were on the school bus at the time of the crash.  There has been no official release about the accident from law enforcement, but family members have indicated that one man was sent to Miami Valley Hospital in Dayton.  The intersection was shut down for a couple of hours.  There was no official word Friday morning on the identity or condition of the drivers, although a family member did indicate one man is in critical condition.