B.C. RCMP send 1st active shooter emergency alert after updating policy following Nova Scotia shooting | CBC News
House Judiciary Dems on Twitter: "🚨🚨🚨 BREAKING: @HouseJudiciary has PASSED H.R. 6538, the Active Shooter Alert Act. https://t.co/ctsDZ9V7p0" / Twitter
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When do active shooters prompt emergency alerts? Police across Canada offer few details - National | Globalnews.ca
Learn how to be prepared if there is an active shooter on campus | E-News | West Virginia University
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