At least six people have been killed and dozens more seriously injured in a mass shooting at a July 4 parade in Illinois with the gunman still at large several hours on from the attack.
Police identified a person of interest in the shooting as 22-year-old Robert E Crimo, who was taken into custody several hours later.
Gunfire erupted at the parade in Highland Park, near Chicago, about 14 minutes after it kicked off at 10am local time on Monday morning.
Five adult victims died on the scene while a sixth victim succumbed to their injuries in hospital. One of the victims has now been identified as grandfather Nicholas Toledo.
The 26 wounded who were taken to North Shore University Health System ranged in age from 8 to 85, and included five children.
Police described the shooter as a white male aged 18 to 20 years old, with long dark hair, of small build and wearing a white or blue t-shirt.
A rifle was recovered from the roof of a building where the gunman is believed to have taken up his position before opening fire on revellers along the parade route below.