The volunteer fired three rounds at Arturo Gamboa, 24, who allegedly brandished a rifle at Saturday's crowd. The gunshots hit both Gamboa and a bystander, Arthur Folasa Ah Loo, police

A demonstrator was shot and killed at Salt Lake City’s “No Kings” protest when a man believed to be part of the event’s peacekeeping team fired at another man allegedly aiming a rifle at protestors, authorities said Sunday.

The 'No Kings' protest in Salt Lake City was struck by violence when a man allegedly brandished a rifle near the crowd.