August 8, 2026 / 2:56 AM EDT

/ CBS/AP

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A student opened fire at a high school outside Bangkok on Friday, killing at least five people and wounding more than 20, according to authorities, who said he also appeared to have killed his two grandparents at the family home earlier in the morning.The 14-year-old shooter took his own life at the school, officials said.Five school staff members, including teachers and administrators, died in the shooting around 10 a.m. at Debsirin Nonthaburi School in Nonthaburi province northwest of Bangkok, Deputy Interior Minister Polapee Suwunchwee said at the scene.The boy also killed his grandparents at the home he shared with them prior to the school shooting, Polapee said.Bangyai Hospital, about 3 miles from the school, said 23 people were wounded, of whom 10 were in critical condition, with most suffering gunshot wounds. Earlier reports gave conflicting casualty numbers.

Police stand outside the home of a student who shot several people Friday at the Debsirin Nonthaburi School in Thailand's Nonthaburi province, Friday, Aug. 7, 2026.