Arthur Folasa Ah Loo was a former contestant on “Project Runway,” whose designs were beloved by celebrities from “Real Housewives” to “Moana” star Auli’i Cravahlo.

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.

Arthur Folasa Ah Loo, a 39-year-old former contestant on the fashion design competition series, died Saturday after being struck by gunfire, as police refer to him as an “innocent bystander.”