Gunman opened fire from rooftop
A 22 year-old man has been arrested after six people were killed in a shooting at an Independence Day parade in Chicago.
More than 30 people are believed to have been seriously injured.
A gunman opened fire from a rooftop using a high-powered rifle which was recovered at the scene.
These people were there and described the chaos:
Illinois Governor, Jay Robert Pritzker, says America's gun laws need to change:
