HAMILTON, MI (WHTC) - Authorities are still investigating the circumstances involving a ATV crash on land east of Hamilton that critically injured a two-year-old child. No names were immediately disclosed following the Sunday afternoon incident off of 30th Street near 140th Avenue in Salem Township. The child apparently was thrown from the vehicle when it struck some rocks and flipped over into a ditch, suffering a serious head injury. The driver, identified only as a man in his 20's, had minor injuries.