State Police responded to the town hall in Chaplin after a citizen called to report he had some old military paraphernalia he wanted to turn in.
Troopers secured the area near Chaplin Town Hall, at 495 Phoenixville Road, as a precaution.
There was no danger to the public, according to police.
The citizen initially reported he was at Mansfield Town Hall, which prompted UConn to send out a safety alert to students. Once police determined his location, an all-clear was sent out.
No further information was immediately available.