Tinley Park homeowners and their guests were the victims of an armed home invasion that occurred just before midnight Saturday in the 8000 block of Pottawatomi Trail in Tinley Park, according to police.
Three men with handguns entered the single-family home through an open garage door and demanded cell phones, electronics and cash from the people inside, according to a Police Department news release.
The men locked the people in the basement before leaving in an unknown vehicle, police said.
Three people sustained minor injuries and were checked by paramedics on the scene.
Witnesses described the offenders as three men between the ages of 18 and 25.
The incident remains under investigation. Anyone with information should contact the Tinley Park Police Department at (708) 444-5300.