A Saturday night shooting in Portland, Oregon, that left one person dead and five injured started with a confrontation between armed protesters and an armed homeowner, said police on Sunday, while there were reports that alleged Antifa adherents were involved. In a news release from the Portland Police Bureau, officers responded near Northeast 55th Avenue and Hassalo Street in the Rose Park neighborhood at 8 p.m. local time and found a woman who was shot and killed. “The scene was extremely chaotic, and a number of witnesses were uncooperative with responding officers,” the release said. “Most people on scene left without talking to police. Detectives believe a large number of people either witnessed what happened or recorded the incident as it unfolded. This is a very complicated incident, and investigators are trying to put this puzzle together without having all the pieces.” Three women and two men who were injured in …