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.

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.

Five people were shot, three fatally, at the festival in Utah's West Valley City after an altercation broke out between two groups of people.

Some 10,000 people gathered in Salt Lake City for a "No Kings" rally and march as President Donald Trump was overseeing a military parade in Washington, D.C. About an hour into the march, shots were fired.

A crazed gunman was taken into custody Saturday night after allegedly opening fire on thousands of protesters during a “No Kings” march, which left one person critically injured, Utah

Organizers are accusing the president of putting on the parade as a show of dominance. The protests were peaceful, but came against the backdrop of assassinations in Minnesota.

Protesters gathered in Salt Lake City's Pioneer Park Saturday evening, after a day of demonstrations across Utah and the nation.