The Department of National Defense has been called in after several weapons were found in a Lethbridge home.
Police were called to the scene on Friday evening for reports of weapons and threats.
While they were checking the home, they found dozens of explosive devices and weapons, including a First World War-era machine gun.
By yesterday afternoon, they had seized over 114 items.
46-year-old Patrick Harvey Rossetti faces 28 criminal charges and will be in court on Monday.