Utah 50501, the organizers of Saturday's protest in downtown Salt Lake City, say there was an "imminent threat" to protesters before the deadly shooting.

On the same day Melissa Hortman and her husband were murdered in a "politically-motivated" assassination, more "politically-motivated" violence occurred at peaceful protests across the country.

Thousands marched and rallied peacefully during the No Kings OKC protest on June 14, the same day as the U.S. Army 250th Anniversary military parade.

Arthur Folasa Ah Loo, 39, a Samoan-born fashion designer, was participating in an anti-Trump protest in Salt Lake City on Saturday when he was shot by a man working security, the police said.

Cities large and small across the U.S. saw crowds gather Saturday for planned "No Kings" protests against President Trump.

The American Civil Liberties Union said over 5 million people participated in protests against the Trump administration on June 14.

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.