Enfield High School is dismissing students at 12:30 p.m. on Wednesday after a student brought a BB gun to school, according to a social media post from police.
They said they received a report around 10:30 a.m. about a possible weapon in the building, officers responded and the school went into lockdown.
Police, sharing information from Enfield Public Schools, said a student had what appeared to be a functional handgun that contained BB gun components and a BB gun magazine.
No one was injured and an 18-year-old student was taken into custody.
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Police continue to investigate and they said extra counselors will be available to student and staff today and tomorrow.
