A massive tornado system tore through northern Illinois on Thursday, leading to the death of one person in Fairdale and damaging homes and businesses. Seven others were also injured in the violent storm.

The most damaging tornado touched down in an area about 80 miles west of Chicago, prompting the National Weather Service to urge residents to immediately seek shelter. Smaller tornadoes and hail were reported in northern Illinois and in parts of Iowa and Ohio as well.

Photos from Fairdale show trees stripped and houses heavily damaged by flying debris there.

The region continued to be hit hard by strong winds and “half dollar sized hail” Thursday night, according to the National Weather Service. The massive storm system prompted Chicago’s O’Hare International Airport to cancel over 850 flights, according to CBS.

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