The general rule, that except in exigent circumstances, police officers must announce themselves before forcibly entering a residence is not absolute. Normally police are required to give notice of presence by knocking or ringing the doorbell, give notice of authority by identifying themselves as police officers, and give notice of their purpose by stating the lawful reason for their entry: Eccles v. Bourque, 1974 CanLII 191 (SCC), [1974] S.C.J. No.123, (at para.9)[1975] 2 S.C.R. 739 (at pp. 746-7).
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