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.

The alleged rifleman, Arturo Gamboa, 24, was also shot and was taken into custody on a murder charge, Salt Lake City Police Chief Brian Redd said at a Sunday news conference. The bystander who was killed was identified as Arthur Folasa Ah Loo, 39, a fashion designer from Samoa.

A man who was shot during Saturday's "No Kings" protest in downtown Salt Lake City has died, police said Sunday. The latest: The Salt Lake City Police Department on Sunday said the victim, 39-year-old Arthur Folasa Ah Loo,