Chicago police say the incident happened around 2 PM in the busy intersection of LaSalle and Monroe in the Loop.
The three, two males and a female, all from Arizona along with four small children were in the SUV travelling along Monroe Street. The driver stopped in the middle of the intersection and two of the three adults got out of the vehicle and began dancing on the roof along with several of the children.
Chicago police came upon the group and arrested the adults. All three were charged with misdemeanor "causing children to be endangered". The four children were taken into DCFS custody.
There is no word on what prompted the unusual incident.