Fight broke out on the Venetian floor between two groups. Both sides ejected by casino security. Brawl continued outside by the Palazzo, one tried to pull a gun from his waistband and another tried to stop him from pulling it out. The gun went off, one guy's in the hospital in critical condition, and the gunman and another party were arrested after fleeing to Treasure Island across the street.

Las Vegas Strips shooting leaves 1 man wounded | Las Vegas Review-Journal