2 children shot and killed, mother in critical condition after stabbing, police say

Two children, 1-year-old Landrie Harris and 11-year-old McKenna Young, were found shot to death in Kenton, Tennessee, while their mother was discovered with stab wounds and is in critical condition at a Memphis hospital. Kenton Police Department and TBI are investigating the incident, which has been described as a 'horrific event' by the mayor.