The shooting took place during the parade at Highland Park.
US police have arrested a suspect after six people died at an Independence Day parade near Chicago.
Police say Robert E Crimo III, matured 22, was arrested after a short pursue.
Undoubtedly 24 others were harmed in the city of Highland Park.
A shooter utilizes a powerful rifle to target individuals from a roof.
Mr Crimo was confined after a manhunt.
The shooter started shooting at the procession at around 10:15 neighborhood time, only a couple of moments after it started.
The suspect is accepted to have terminated at individuals from general society from the roof of a close by shop.
Five adults died on the spot and one was injured who died in hospital.
No charges have been recorded against Mr Crimo and there is no sign of any intention.
President Biden promised to continue to battle "the scourge of firearm viciousness" in the country.