Before reaching the school, the suspect allegedly shot and killed his grandmother and grandfather at their home. A 14-year-old opens fire at Debsirin Nonthaburi School, killing six people and injuring over 20 others. "Then it started getting more frequent, like 'bang, bang, bang' and then it went quiet at one point. Thailand school shooting suspect in critical conditionEarly reports suggested the suspect had died from a self-inflicted gunshot wound, but Lieutenant General Trairong later confirmed he remained alive in critical condition and was receiving emergency treatment. In February 2026, a teacher died, and a student was injured in Hat Yai district after a school shooting.