Officers on patrol heard the shots. They located two victims at a residence on the block and took them to Evanston Hospital. A 19-year-old from Evanston was shot in the left arm and a 17-year-old from Skokie was shot in the right thigh, Dugan said. The third victim, a 17-year-old from Evanston, walked into the hospital with a wound in his left hamstring area from bullet fragments. The three injuries are non-life-threatening, Dugan said.