U.S. Senator Dean Heller, who represents Nevada, called the shooting a "senseless, horrifying act of violence", while Nevada Governor Brian Sandoval described it as "tragic and heinous".
Las Vegas Metro Police officers near the concert venue after the mass shooting. Fairfax are also reporting, a spokesperson has confirmed that at least two people are dead while a further 24 have been injured. Others loaded the wounded into their cars and drove them to hospitals.
Authorities ruled out terrorism, NPR reported.
Gun shots! Vegas. Pray to god.
The witness said: "I thought it had a positive correlation to it (the shooting)".
Authorities say the man is dead. Numerous firearms were found in the room at the scene.
Police shut down part of the Las Vegas Strip after gunman Stephen Paddock, 64, rained down gunfire and brought the city to a standstill.
Lombardo said a local resident was identified as the shooter. Online video of the attack showed Aldean midway through a set when he was interrupted by the sound of automatic gunfire, the New York Times reported. There are now multiple S.W.A.T. teams going through the hotel at the moment but police said they do not believe there are any more active shooters at the moment.
"Our condolences go out to the families who lost loved ones tonight. If you see something, say something", the Suffolk County Police Department said in a statement.
"This evening there was a tragic active shooter situation at the south end of the Las Vegas Strip".
"Jason turned around and started running back toward his drum riser to get out of the way once he realized that gunshots were being fired", said Owen. "People were standing around, then they hit the floor". Some took shelter underneath their seats, while others huddled in the basement of nearby casinos.
Australian Prime Minister Malcolm Turnbull tweeted: "Australia mourns with America tonight after shocking senseless attack in Las Vegas".
Singer Jason Aldean was on stage when the shooting started. Paddock had no known connection to terrorism, according to investigators.