VIDEO: 40-vehicle pile-up in Eau Claire County, Wisconsin injures 7

Seven people were injured in a 40-vehicle pile-up Sunday afternoon in Eau Claire County, Wisconsin due to snowy and slippery conditions.

One person sustained life-threatening injuries in the crash that involved seven semi trucks and 33 other vehicles, according to the Wisconsin Department of Transportation.

The crash occurred at about 3:15 p.m. in both directions of Interstate 94 near mile marker 85 near Eau Claire.

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Traffic was cleared by Sunday evening, but traffic was re-routed around the area after the crash.

Travel information is available at www.511wi.gov or by calling 511.