One person was killed and three people injured at about 1:30 Saturday morning in a two vehicle collision on Hwy 154 just west of Gilmer. The deceased was identified as 19 year old Haley Johnson of Big Sandy, a 2015 graduate of Harmony High School. Those injured were identified as Bailee Russell of Holly Lake Ranch, who graduated Friday night, and Cameron Johnson of Big Sandy and Alisha Allen of Gilmer, all 17 who just finished their junior years. The driver of the other vehicle, 23 year old Robert Frazier of Gilmer was also injured.