COLBURN, Wis. (AP) — Authorities say a 21-year-old father and his 6-month-old child were killed when a pickup truck read-ended their horse-drawn buggy in western Wisconsin.

The Chippewa County sheriff’s office says it happened on Highway 64 in the town of Colburn shortly before 7 a.m. Saturday.

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All three members of the family were thrown from the buggy. The father and child died at the scene. The 21-year-old mother suffered extensive injuries and was flown to a regional hospital. Their names were not immediately released.

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A statement from the sheriff’s office says alcohol is not believed to have been a factor, but the investigation is continuing. It says the pickup was driven by a 66-year-old man from the Cornell area.

The highway was closed for about three hours.

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