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.

Utah 50501, the organizers of the No Kings protest that took place in Salt Lake City on Saturday, confirmed the "peacekeeper" who was involved in a deadly shooting during the protest was a safety volunteer and military veteran.

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