Police said the video was reported to them by a concerned citizen. Police said it shows one man with a rifle and another with a handgun.
The Hazel Crest Police Department said investigators have found groups streaming live on social media with guns in the area between 167th and 171st streets and from Park Avenue to I-294. Police said the video shows young men openly displaying assault rifles and automatic handguns.
Anyone who can identify the men in the video should contact Hazel Crest detectives at 708-335-9640.