A 14-year-old ninth-grade student launched a mass shooting across two locations in Nonthaburi province, just north of Bangkok, leaving his grandparents and at least five people at his school dead before taking his own life.
The attack—which has left more than 20 to 30 people injured, several critically—stands as one of Thailand’s deadliest mass shootings in recent years.
Key Highlights
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Tragic Sequence: The suspect shot and killed his paternal grandparents at their residence in Bang Bua Thong district before traveling to his school.
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School Rampage: The shooter opened fire at the Debsirin Nonthaburi School around 9:30 AM local time, targeting staff and teachers.
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Weapon Used: Police confirmed the 14-year-old used his grandfather’s registered CZ-75 9mm semi-automatic pistol.
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Casualties: At least 8 to 9 people died across both scenes (including the grandparents, 5 school staff/teachers, and the perpetrator).
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Government Action: Prime Minister Anutin Charnvirakul pledged immediate legislative measures to tighten gun control nationwide.
Timeline of the Attack
Details of the Incident & Investigation
1. Attack at Home
Before heading to school, the suspect fatally shot his grandmother and grandfather—a former teacher who legally owned the 9mm pistol—at their home in Soi Wat Lat Pla Duk.
2. Debsirin Nonthaburi School Rampage
Dressed in his physical education uniform, the teen entered the campus and moved between classrooms on the upper floors. Witnesses described students hiding under desks and behind closed doors as gunshots echoed through the hallways. Police later recovered the suspect’s weapon along with dozens of unused ammunition rounds.
3. Suspect’s Background & Potential Motive
Initial investigations reveal the student was living with his grandparents and had been experiencing academic stress and bullying. Authorities also noted that a search of his digital devices showed he had recently downloaded footage of historical mass shooting incidents.
Regional Context & Gun Policy Response
Despite existing regulatory hurdles, Thailand maintains one of the highest rates of firearm ownership in Southeast Asia, with roughly 10 million registered and unregistered guns in circulation. Following the tragedy, Prime Minister Anutin Charnvirakul announced plans to push for stricter firearm legislation that would strictly restrict public open-carry privileges.
