JOLIET, Ill.—A coroner on Monday identified a young man and woman who died in a shooting at a suburban Chicago Halloween party that injured nine others . Will County Coroner Laurie Summers said Holly Matthews and Jonathan Ceballos, both 22, were fatally shot early Sunday at the party in Joliet, about 45 miles (70 kilometers) southwest of Chicago. Police said that the shooting appeared to be gang related. The Will County Sheriff’s Office updated the number of people hospitalized. Preliminary reports said more than a dozen people were injured, but a spokeswoman said Monday afternoon that a total of nine people were hospitalized for injuries connected to the shooting in addition to those who died. One person remained in critical condition and three remained hospitalized with non-life-threatening injuries. Five others were treated and released. “Multiple gunshots were fired during the incident. It appears that this incident was gang related,” the …