The “No Kings” protest in Salt Lake City was struck by violence when a man allegedly brandished a rifle near the crowd, prompting someone nearby to fire three shots, hitting that man and a protester who later died.

A person shot and killed an innocent bystander during a “No Kings” protest in Salt Lake City, Utah on Saturday.

Police said Sunday that someone wearing a brightly colored security vest was aiming at a man who had peeled off from the crowd and was holding a rifle.