Public schools throughout Montclair, New Jersey were closed Monday “due to a security concern,” district officials said, though by midmorning the threat had been “neutralized.” “Late yesterday evening,

Schools in Montclair, N.J. are closed today due to a security concern, but officials now say it "has been neutralized."

All public schools in Montclair, New Jersey, closed on Monday because of what the school district called a "security concern" from a "potential threat." The district did not share details of the threat, but said on its website that it learned of the potential threat on Sunday evening and contacted local police.