Utah officials are investigating the role that so-called peacekeepers played in the killing of celebrated fashion designer Arthur Folasa Ah Loo on Saturday at the “No Kings” demonstration in Salt Lake City,

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.

After a shooting during a “No Kings” protest in Salt Lake City, Utah leaders say they're thankful for those protesters who remained peaceful and for the first responders to rushed to the scene.