One man was arrested May 6 after a two-hour standoff with Greater Sudbury Police Service.
Officers were called at 10:47 a.m. to a weapons complaint on Vermillion Lake Road in Chelmsford.
A containment perimeter was set up at the scene, and the suspect was arrested at 12:46 p.m. without further incident.
He has been charged with several weapon-related offences and is scheduled to appear in video bail court on May 7.