1/3 Terrified concertgoers scrambled for safety during the attack. Photo: Getty Images 2/3 Jason Aldean, seen here performing during the concert on Sunday night, wrote that he was 'heartbroken' after the attack. Photo: Getty Images 3/3 Jake Owen recounted the incident to NBC's Today. Photo: FilmMagic © ¡HOLA! Prohibida la reproducción total o parcial de este reportaje y sus fotografías, aun citando su procedencia. Más sobre: Country Music Jason Aldean Celine Dion Mariah Carey Las Vegas Más noticias sobre Country Music