Two people have been shot to death on the open street in Las Vegas.
One of the dead is said to be a YouTuber who was broadcasting live at the time. Video clips in social media show a brief confrontation on the main street Las Vegas Boulevard, whereupon a man pulls out a firearm and starts firing shots.
The police believe they have identified the shooter, who is said to have quarreled with the YouTuber in social media, and are working to locate him.
The shooting took place at 22.40 on Sunday evening, local time.