Killed were Pamela Kay Touart, 59, and her twin sons, Cameron Wayne Boudreau and Kipp Leonard Boudreau, both 29. The two paramedics in the ambulance were taken to a hospital and later released, the Sherman Herald Democrat reported.
Bonham Fire Chief Bill Palya says it did not appear the family wore seat belts. The ambulance was headed back to its station at the time of the accident.
Leonard is about 50 miles north of Dallas.
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