Five people were shot — three of them fatally — at an annual carnival outside Salt Lake City, Utah, authorities said. One of those killed was an infant, police said.

A bystander was fatally shot after security members at the demonstration confronted a man who was running toward the crowd with an AR-15-style rifle, the police said.

An "innocent bystander" at the "No Kings" demonstration in downtown Salt Lake City was shot and killed Saturday, police said