More than 50 people have been killed and around 400 injured at an open-air country music festival in Las Vegas in the deadliest mass shooting in US history.
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Terror spread through the city's famous strip as 64-year-old gunman Stephen Paddock launched an attack from the 32nd floor of the Mandalay Bay Hotel and Casino, unloading hundreds of rounds of ammunition from a cache of weapons towards concert-goers.
Police confirmed the attacker shot himself dead just as a police SWAT team burst into the hotel room from where he sprayed rapid fire on the crowd for several minutes.
Described as a "lone wolf" who lived in a remote desert retirement village, Paddock was holed up with more than 10 guns after he is believed to have checked into the hotel on Thursday.