Police said Naugatuck High School was placed in lockdown after a student reported seeing a gun in a student's backpack Wednesday afternoon.
The incident happened at about 1:50 p.m. Responding officers conducted a search of the school. No weapon was recovered, according to police.
Authorities said the investigation was "being taken seriously," but there was no threat to students.
Police and school staff worked together to dismiss students. No injuries were reported and no arrests have been made.
"As our community expects, incidents relating to weapons are responded to swiftly and with a significant deployment of police resources," the police department said.
No additional information was immediately available.
Local
Sign up for our Breaking newsletter to get the most urgent news stories in your inbox.
