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.

A man disguised as a police officer shot and killed Minnesota Rep. Melissa Hortman and her husband, and injured Sen. John Hoffman and his wife. The suspect, Vance Boelter, is still at large, and authorities found a manifesto in his car listing other potential targets.

Arthur Folasa Ah Loo, 39, has died as the result of a gunshot wound he sustained Saturday in a shooting during a protest against President Donald Trump in Salt Lake City.