A 14-year-old boy and a 20-year-old man were killed and at least three other people were wounded in overnight gun violence in Chicago, authorities said.



The teen, Kevin Diaz, was shot about 10:15 p.m. Thursday in the 6400 block of South Francisco Avenue, about two blocks from his home in Marquette Park, according to police and the Cook County medical examiner's office.



About two hours earlier, a 17-year-old boy was shot in the ankle a few blocks east at 63rd Street and Artesian Avenue. He was taken to Holy Cross Hospital in good condition. It was not clear if the two shootings were related.



The man who was killed had been shot about 8:45 p.m. Thursday in the 10700 block of South Indiana Avenue in the Roseland neighborhood, police said. He was wounded in the hip and shoulder and pronounced dead at Advocate Christ Medical Center about 9:50 p.m.