A 14-year-old student ended a deadly shooting spree outside Bangkok by taking his own life. The teenager reportedly began the violence at home, where he shot and killed his grandparents. He then traveled to his school to continue the attack. Police discovered that the weapon used belonged to the boy's grandfather. During the rampage, the suspect fired 26 rounds, and authorities found an additional 34 rounds of ammunition in his possession. No motive for the killings has been established at this time. This event ranks among the deadliest mass killings in Thailand since 2022.