One of the victims is a 3-year-old child. Four of the victims are in critical condition. All have been transported to area hospitals.
ABC7 was told 10 ambulances were sent to the scene near Cornell Square Park at 51st and Wood shortly after 10 p.m. on Thursday.
The shooting happened at 1801 W. 51st Street in the Back of the Yards neighborhood on the South Side.
Deonta Howard, age 3, is one of the 13 people shot Thursday night. Howard is currently receiving treatment at Mt. Sinai Hospital and remains in critical condition
Chicago Fire Department officials said the child was in critical condition. Two other victims were also in critical condition. The others were reported in serious to fair condition.
The shooting comes nearly three weeks after Chicago saw an outburst of violence over the Labor Day weekend that ended with eight dead and 20 others injured. The city's Police Department has responded to shootings that have grabbed national headlines by stepping up its crime-fighting efforts, paying overtime to add patrols to some neighborhoods, including the Back of the Yards, where Thursday's shooting took place.
Stay tuned to ABC7 for more on this developing story.