Tinley Park police and the South Suburban Major Crimes Task Force are investigating.
The Sun-Times is reporting a wedding party was attacked with bats. Three people were taken to the hospital.
The offenders fled in three vehicles. One vehicle and its passengers were apprehended approximately five minutes later near the intersection of 159th and Harlem. The other vehicles fled the area.
Five Caucasian men were being held in custody.
The Sun-Times Media Wire and Associated Press contributed to this report.