Police said at about 2 a.m., Elmhurst officers and other DuPage County agencies observed a burglary at Mr. Submarine at 1322 Ogden Avenue in Downers Grove.
Two vehicles fled the scene and two female suspects from one vehicle were arrested after a traffic stop in the area of Ogden Avenue and I-355, police said.
A second vehicle with four suspects inside stopped in the area of Maple Avenue and I-355 and the suspects fled on foot, police said. Two male suspects were arrested after a foot pursuit.
People are asked to call 911 if they see suspicious activity in the area.