John and Courtney, two eyewitnesses that fled the gun attack at Route 91 Harvest open-air country music festival, spoke out about their ordeal in Las Vegas on Monday, describing how they had to run over victims to escape. At least 59 people have been killed and 527 injured, after a gunman opened fire on the Route 91 Harvest country music festival from his room on the 32 floor in the overlooking Mandalay Bay hotel.