Massive pileup: 40 vehicles, including 7 semis, involved in wreck on I-94 in Eau Claire County

40-vehicle pileup crash on I-94 near Osseo Sunday (via CNN)

EAU CLAIRE COUNTY -- The Wisconsin State Patrol responded to a multi-vehicle crash on I-94 near Osseo in Eau Claire County on Sunday afternoon, Feb. 10.

Officials say 40 vehicles, including seven semi tractor trailers, were involved in the pileup.

All traffic was rerouted -- and drivers were urged to avoid the area.

Extreme caution was being recommended -- as the snow was creating slippery road conditions.

UPDATE at 5:28 p.m.: