The injured have been admitted to various hospitals. Some of them are in mortal danger, it also sounds. Police are waiting for the victims to finish their treatment so they can question them.
Little is known about the shooting. At about 9 p.m., some people, some in Halloween costumes, were on the street when a car opened fire, police said to the Chicago Sun Times newspaper. Someone was also hit. The shooting would have lasted only a few seconds.
Police have yet to determine the possible motive for the shooting. For the time being, they are already assuming at least two shooters, based on images from surveillance cameras.