Three people were shot during a domestic squabble inside a home early Thursday on Chicago's South Side, police said.

Two of the victims were reported in critical condition at Stroger Hospital of Cook County, and a third victim was reported in stable condition at Advocate Christ Medical Center in Oak Lawn, Office Marcel Bright said.

A man entered the home in the 5500 block of South Justine Street shortly before 5 a.m. and shot one of the victims in the lower back, authorities said.

No one was in custody Thursday afternoon. Wentworth Area detectives were investigating.