A 10 year old boy was killed in an ATV accident Thursday afternoon on private property in Ozark County. The Highway Patrol reports that 10 year old Allen Ray of Wasola when the ATV became airborne and Ray was ejected from the ATV with the ATV coming to rest of top of him. The accident happened on private property off county road 130 about a miler north of Missouri highway 5 in Almartha.