The alleged rifleman, Arturo Gamboa, 24, was also shot and was taken into custody on a murder charge, Salt Lake City Police Chief Brian Redd said at a Sunday news conference. The bystander who was killed was identified as Arthur Folasa Ah Loo, 39, a fashion designer from Samoa.

A bystander was fatally shot after security members at the demonstration confronted a man who was running toward the crowd with an AR-15-style rifle, the police said.

Note to readers • The Salt Lake Tribune is making this story free to all.After a shooting left one person “critically injured” during a “No Kings” protest in the heart of Salt Lake City, Utah leaders say they’re thankful for those protesters who remained peaceful and for the first responders who rushed to the scene Saturday night.