CHICAGO—A 14-year-old boy was fatally shot on Chicago’s South Side just hours after another boy the same age was shot and killed on the city’s near West Side, police said Thursday. No arrests had been made in the shootings Wednesday, police said. The first shooting happened just before 4 p.m. Police said a boy, identified by the Cook County Medical Examiner’s office as Javion Ivy, was standing on the sidewalk when he was shot twice in the chest. Chief of Detectives Brendan Deenihan told reporters Thursday morning that witnesses told police they saw two people fleeing the scene. The boy was taken to a hospital, where he was pronounced dead soon after. Deenihan said the second boy was shot at about 8:50 p.m. in Englewood on the South Side. He said the boy was walking with a friend when someone in a dark colored vehicle shot him in the head. …