A man who was believed to be part of a peacekeeping team for the “No Kings” protest in Salt Lake City shot at a person who was brandishing a rifle at demonstrators, striking both the rifleman and a bystander who later died at the hospital, authorities said Sunday.

Checklick Jr., of Culpeper, on June 14, at the conclusion of the demonstration. Participants were leaving the area and crossing through a business's parking lot when an SUV drove "recklessly through the crowd of pedestrians,