Two Las Vegas YouTubers had an online rivalry before one of them allegedly shot and killed the other, a police report says.

A fatal shooting that left two people dead near the famous Bellagio fountain in Las Vegas was captured on a disturbing video.

A video of the shooting was circulating on social media ... livestreaming the recently cleaned crime scene near the Fountains of Bellagio. Dried blood on cracks of pavement beneath her feet ...