Shootings left at least four men dead and 9 other people wounded across the Saturday night and Sunday morning.
The violence was largely confined to the South and West Sides and three of the incidents had more than one victim, according to authorities.
The most recent shooting happened about 4:01 a.m. in the Cabrini-Green neighborhood - just north of Chicago Avenue on Cambridge Avenue. Two men, one 25 and the other either 23 or 24, were shot and taken to Northwestern Memorial Hospital. The older of the two was dropped off there and died of his wounds, and the other was taken there in an ambulance with a wound to the leg.
Someone shot up a birthday party about 1:50 a.m. in the Altgeld Gardens housing complex in the 600 block of East 131st Street, hitting four people. One, a 28-year-old man, died at the scene. Two others were taken to Advocate Christ Medical Center: a 40-year-old man and a 20-year-old woman. A 22-year-old man was dropped off at Metro South Medical Center in Blue Island and is in stable condition. The man and woman at Christ hospital are both in serious condition, police said. The Cook County medical examiner's office refused to release the name of the dead man.
A man was killed in Englewood about 11:30 p.m. Saturday Someone fired at least six shots toward him inside a Marathon gas station at the corner of 71st Street and Ashland Avenue. The man, 25-year-old Eugene Clark, was pronounced dead at Advocate Christ Medical Center about 1:45 a.m. He lived in the 7900 block of South Karlov Avenue, according to the medical examiner's office.
About the same time, a 17-year-old girl was shot in the 5000 block of South Dr. Martin Luther King Jr. Drive in the Bronzeville neighborhood. She was shot in the foot and taken to the University of Chicago Hospital.
Earlier, someone shot a 24-year-old man to death in the South Chicago neighborhood. He was shot about 10:58 p.m. in the 8500 block of South Saginaw Avenue and pronounced dead just before midnight at John H. Stroger, Jr. Hospital of Cook County.