Schools in Montclair, N.J. were closed Monday due to a security concern, but officials now say the threat was "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.

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,