Teen who killed 7 was under stress, had planned attack: Thailand PM

Thailand PM Anutin Charnvirakul said the teenager who killed seven people, including his grandparents, was under "stress" and had "planned" the shooting. Police interrogated his close friend, who said the suspect had been under stress," he added. The 14-year-old shooter allegedly shot himself dead after carrying out the attack. At least 23 people were injured in the incident.