About 25 children and adults were injured Wednesday when a wagon carrying them overturned at a western Wisconsin apple orchard.
The children, parents and chaperones were on a field trip to the orchard in Lafayette when one of two wagons being pulled by a tractor turned sideways and rolled over, Chippewa County Sheriff Travis Hakes told reporters.
Hakes said the tractor was traveling at a low speed when the wagon rolled over while going downhill.
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Three people suffered critical injuries, while injuries to five others were considered serious.
Authorities didn't say how many of the injured were children.
The elementary school-age children attend a school in Eau Claire. Lafayette is northeast of Eau Claire.