2 killed, 2 wounded —including 7-year-old boy — in Garfield Park shooting

Two people were killed and two others wounded, including a 7-year-old boy, in a shooting Sunday afternoon in Garfield Park.

The group was standing in a vacant lot just after 2:30 p.m. in the first block of South Whipple Street when a vehicle approached and someone inside opened fire, Chicago police said.

Derrick Hicks Jr., 33, and Charles Gaines III, 31, both suffered gunshot wounds to the head and were pronounced dead at area hospitals, police and the Cook County medical examiner’s office said.

A 7-year-old boy suffered a graze wound to the head and was taken to the Stroger Hospital in fair condition, police said.

A 38-year-old man was hit in the lower back and taken to Mount Sinai Hospital in critical condition, police said.

Area detectives are investigating.