An unusually powerful late-season wave of thunderstorms brought damaging winds and tornadoes to 12 states: Michigan, Wisconsin, Iowa, Illinois, Missouri, Indiana, Ohio, Kentucky, Tennessee, West Virginia, Pennsylvania and western New York.
Illinois was the hardest hit, with at least six people killed and dozens more injured. Authorities said Monday that two other deaths occurred in Michigan.
Here is a gallery of images from the areas hit by tornadoes.
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