One man has died after his car plunged into a pond near Wausau, and was submerged to its roof. It happened around seven Sunday night west of Wausau in the Marathon County town of Rib Mountain. Sheriff’s officials say some witnesses entered the pond and pulled the motorist to shore, where he died. An autopsy has been scheduled to determine the cause of the man’s death, and his name and other details of the incident were not immediately released.