Police requested a temporary lockdown of Newton Medical Center after receiving a report that a possible tenant of 183 High St. may have been seen entering the building carrying a suspected shotgun around 8:25 a.m., Chief Robert Osborn Jr. told Daily Voice.
The tenant and weapon were found in a suite at 183 High St. and determined not to be a threat to the public, Osborn said.
The lockdown was suspended and police patrols had cleared the scene a short time later, authorities said.
The Sussex County Sheriff’s Office, Andover Township Police and New Jersey State Police also responded at the scene.
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