During the SHOT Show 2026 in Las Vegas a serious incident occurred that clearly demonstrates how critical immediate and decisive medical action can be. In the early evening hours a physical altercation escalated into a knife attack in a public hallway connecting the exhibition halls with the restaurant area of the Venetian complex. German sport shooter Michael Paa, CEO of the PAA Shooting Academy, was located very close to the scene at the moment of the attack. Immediately after the stabbing occ

Newly released video shows the chilling moments after UnitedHealthcare CEO Brian Thompson was shot and killed outside a New York City hotel. Aaron Katersky has details. https://abcnews.link/pFXVedY | ABC World News Tonight with David Muir