3:36   Public safety concerns raised after active shooter incident in B.C. 6:02   Active Shooter in Tumbler Ridge - Shelter in Place!! 7:50   Tumbler Ridge journalist discusses moments after active shooter alert issued at local high school 6:00   1 suspect dead in school shooting in Tumbler Ridge, B.C. | Hanomansing Tonight 0:23   360 Video Active Shooter Defense Training at Mosley 1:30   Canadian police say 10 dead in British Columbia school shooting 8:20   CSU Active Shooter Safety Training 7:53   Options for Consideration Active Shooter Training Video 11:25   RUN - HIDE - FIGHT || Active Shooter Preparedness Training for Elementary Schools 9:24   A Navy SEAL Reveals How To Survive An Active Shooter 5:12   20 to Ready: Active Shooter 5:52   Medstar Health - Active Shooter Training 7:47   Active Shooter Preparedness: Options for Consideration 0:39   BREAKING: Brown University reports active shooter 2:06   How to respond to an active shooter on campus