The Mass Casualty Incidents topic page provides news, videos and expert columns about dealing with large-scale incidents including terrorist attacks, dirty bombs, natural disasters like a tornado or a hurricane, an accidental collision of commuter trains, or a massive leak of toxic chemicals.
Democratic Rep. Gabrielle Giffords of Arizona was shot in the head by a gunman who opened fire outside a grocery store during a meeting with voters, killing a federal judge and five others in the rampage.
One year ago today, four cops were gunned down in cold blood in a suburban Seattle coffee shop. This P1 exclusive video tells the story of that ambush from the perspective of Washington state law enforcement. In memoriam