Neighbors describe scene of mass shooting in S.F.’s Mission District

San Francisco police searched for clues Saturday in a mass shooting that injured nine people in the Mission District the night before on a block a neighboring worker described as “party central.” Strips of police tape and investigators’ latex gloves littered the sidewalk at 24th Street and Treat Avenue on Saturday morning, the only evidence of the chaos the night before. The shooting, which police described as “targeted and isolated,” occurred shortly after 9 p.m. Friday during a block party to mark the sixth anniversary of Dying Breed, a store...