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

Salt Lake City police are investigating two self-described "peacekeepers" after a fatal protest shooting left one dead and one injured.

Detectives believe the victim was at the demonstration as a bystander and “was not the intended target of the gunfire.”

Arturo Gamboa, 24, is taken away in handcuffs on a gurney and yells that he was shot during the “No Kings” protest and march in Salt Lake City on Saturday. A 39-year-old man died Saturday after being shot during the protest, police said. (Scott G Winterton, Deseret News)

The Salt Lake City Police Department is investigating a shooting that occurred during a “No Kings” protest Saturday night, leaving one person with critical injuries. An estimated 10,000 people were marching at the time.

The anti-Trump protests in Austin remained peaceful, despite a “credible threat” that forced a brief evacuation of the Texas Capitol complex.

A fatal shooting in Salt Lake City, a targeted political attack in Minnesota and more; here's what happened during the national day of protest.