Snowmobiler falls through thin ice (December 19, 1992. Minnetrista, Minnesota); Members of the Acadian Air Med service pick up a victim of a speedboat accident and a child burned by hot grease (Baton Rouge, Louisiana); Sisters at home alone report intruder (December 22, 1992. Lexington, North Carolina); Firefighter has heart attack (July 26, 1991. Kilgore, Texas)