CHICAGO — A 15-year-old boy was critically wounded after a shooting in South Chicago.

The boy, 15, was walking on the sidewalk on the 7900 block of South Crandon Street around 11:57 p.m. when four men approached him with handguns and fired 45 rounds at the boy and fled.

The boy sustained two gunshot wounds to the back and was transported to the University of Chicago Medical Center in critical condition.

There is currently no one in custody and police are still investigating.