Scoop News reporting summary
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A local police chief said at the time that the suspect was hospitalized for psychiatric treatment in December and had been discharged. Thai police shot and arrested a teenager who opened fire at a school in the south of the country in February, killing the principal and wounding two students. First he shot his two grandparents, using his grandfather's handgun, then went to the school in Nonthaburi province, outside Bangkok, and killed five school staff members, national police said in a statement.