One adult and two children have been killed in a head-on collision on Highway 19 in Van Zandt County. State Troopers say 19-year-old Jessie Michael Brown, of Fruitvale, passed a vehicle in a no-passing zone and collided with the vehicle driven by 61-year-old Connie McKinley Wells, of Wills Point. They pronounced Wells dead at the scene as were 14-year old Adam Thomas Tuma, and 11-year-old Elijah William Gabriel Tuma, also of Wills Point. A 12-year-old girl was flown to Dallas in critical condition. Brown and his 16-year-old passenger were hospitalized in stable condition.