Officers were called to a home in the 1000 block of Avenue F North at roughly 11 a.m. on Thursday.
The item was discovered during the clean-up of a home, according to a press release.
Police said the Department of National Defence (DND) was alerted, which arrived and determined the Second World War device was inert.
With the help of the SPS explosives disposal unit, it was safely removed for disposal by the DND.
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