A semi truck hauling U.S. Postal Service mail on eastbound I-94 near Hudson caught fire at 8:19 a.m. on Tuesday, Dec. 13, and was destroyed, according to a press release from the Wisconsin State Patrol.

Roberts Fire Department, River Falls Fire Department, United Fire Department, St. Croix Sheriff’s Department and the St. Croix County Highway Department responded, finding the semi tractor fully engulfed and spreading into the trailer. The driver was not injured….

Truck fire destroys USPS mail