A bomb goes off. It's noisy. It's smoky. Lights are flashing, people are shouting. The wounded are bloody and dying. But this isn't a real war zone. It's a training class inside a simulator in San ...

Since the mass shooting at Columbine High School in 1999, the paradigm for responding to an active shooter has shifted from a reactive to a proactive response to stop the killing (by stopping the ...

Those searching YouTube for emergency first aid tutorials will no longer have to scroll through pages of videos and skip through ads to find life-saving information. In a new addition to the site's ...