Salt Lake City police are investigating the roles of two self-described "peacekeepers" following a fatal shooting at Saturday's protest that left one person dead and another injured, raising questions about unauthorized security at public demonstrations.

At 7:56 p.m., Redd said a police officer heard shots near 151 S. State St. First responders soon found Ah Loo injured on the ground. Medics quickly surrounded him, offering aid, but he died later at a local hospital.

An "innocent bystander" was killed after being caught in the crossfire in a shooting at the "No Kings" protest in Salt Lake City, authorities said.

SALT LAKE CITY (KUTV) — The man who was fatally shot during the Salt Lake City "No Kings" protest was a fashion designer with a local company and a former contestant on Bravo's "Project Runway." Police identified the victim of Saturday's shooting as Arthur Folasa "Afa" Ah Loo.

The shooting at Salt Lake City's "No Kings" project told through the lens of on-the-scene Salt Lake Tribune photographers.

Project Runway's Arthur Folasa Ah Loo died after being shot during the 'No Kings' protest in Salt Lake City, according to police reports

Arthur Folasa “Afa” Ah Loo was described by Salt Lake City, Utah, police officials Sunday as “an innocent bystander.”

At least one person was critically injured in a shooting during a ‘No King’ protest in Salt Lake City, Utah. Salt Lake City police said they have taken three people into custody after the “No Kings” m

A 16-year-old boy shot five people in a confrontation between two groups at a carnival in a Salt Lake City suburb Sunday, killing three of them including an 8-month-old infant. Police say the

Arthur Folasa Ah Loo, 39, has died as the result of a gunshot wound he sustained Saturday in a shooting during a protest against President Donald Trump in Salt Lake City.

Salt Lake City police said​ in a post to social media that the shooting was "possibly associated" with a "No Kings" demonstration.

Thousands gathered at Salt Lake City’s Pioneer Park Saturday evening for another “No Kings” protest, following the earlier demonstration at the University of Utah.