(Richmond, IN)--One van chased another late Thursday afternoon through Richmond streets. The results included a drug arrest, a crash into a yard, and an injury to a child. Two crashes occurred on South 21st during the chase. As police arrived, the occupant of one van threw drugs and a gun out of the window. A boy between the age of six and eight suffered a concussion in one of crashes and was taken to Reid Hospital. 19-year-old Cedric Thompson was taken into custody. He faces charges that include possession of marijuana and a controlled substance. He’s is in the Wayne County Jail today.