Las Vegas shooting: Pictures of the aftermath of the attack2 October 2017ShareSaveAdd as preferred on GoogleEPADozens of people were killed when a gunman attacked an open-air concert in Las VegasAFPThe attacker opened fire from the 32nd floor of the Mandalay HotelGetty ImagesSinger Jason Aldean was on stage at the time of the attack and said the scene was "beyond horrific"Getty ImagesIt's not clear what the motive was, or what weapon gunman Stephen Paddock used, but police say he had at least 10 guns in the hotel room with himGetty ImagesMore than 500 people were wounded, officials sayReutersIt's thought to be the most deadly mass shooting in modern US historyReutersPresident Donald Trump, his wife Melania, Vice-President Mike Pence and his wife and White House staff stood for a minute's silenceGetty ImagesFlags on the Capitol were also lowered to half-mast