Salt Lake City police say a demonstrator who was shot at the city's “No Kings” protest has died and that the bullet that killed him appears to have been fired by one of the demonstration's peacekeepers.

The Salt Lake City Police Department has released body-camera footage of a struggle between police officers and an unarmed man, who wound up dead.

SALT LAKE CITY A police department vowed Tuesday to cooperate with multiple investigations of the shooting of a 13-year-old autistic boy by officers in the Salt Lake City area. The Salt Lake City Police Department said the officers were called to a home in Glendale, Utah, Friday night with a report of a boy who had threatened people with a weapon. The boy reportedly ran and was shot by an officer after being pursued by police. No weapon was found Friday, the Salt Lake Tribune reported. Salt Lake Mayor Erin Mendenhall said in a statement late Sunday that the shooting was a tragedy and called for a swift and transparent investigation.