Instalan detectores de metales en secundarias de Querétaro por seguridad
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Secondary schools in Querétaro have started installing metal detectors for security reasons. This decision follows an incident where a student entered a school with two knives. That student injured four people.
Secundarias de Querétaro comenzaron a instalar detectores de metales luego de un estudiante ingresó con dos cuchillos y lesionó a cuatro personas