BREAKING: 58 dead, more than 500 wounded in Las Vegas after deadliest mass shooting in US history [UPDATED] A lone gunman opened fire on the final night of the Route 91 Harvest Festival in Las Vegas on Sunday. The attack is now the most deadly shooting in the US. Related Posts: Elon Musk’s Boring Company teases ‘tunnel rave’ in celebration of Las Vegas Loop completion Life is Beautiful 2021 dates have landed