CarlsonCast Oct.2--6am hour

Las Vegas concert Mandalay Bay AP0.jpg
Drapes billow out of broken windows at the Mandalay Bay resort and casino Monday, Oct. 2, 2017, on the Las Vegas Strip following a deadly shooting at a music festival in Las Vegas. A gunman was found dead inside a hotel room. (AP Photo/John Locher)

6am hour -- t6am hour -- deadliest mass shooting in US history at a country music festival concert in Las Vegas; witnesses describe the confusion as the gun fire originally sounded like firecrackers/fireworks, the mass murder suspect shot himself before police could storm into his hotel room, ABC News just interviewed the dead killer's brother, besides the Las Vegas mass murder attack there were terrorist attacks in Canada and France, too.

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