Appleton Post-Crescent NEW LONDON - Multiple propane tanks exploded as firefighters responded to a fire at Huckleberry Acres Campground Friday afternoon. The fire broke out around 12:30 p.m. Friday at Huckleberry Acres Campground, about 6 miles south of New London. When firefighters arrived, they found four campers, two sheds and a pickup truck engulfed in fire, according to the New London Fire Department. While firefighters were on the scene, several 20- to 30-pound propane tanks blew up, causing a loud explosion. Firefighters were able to keep the fire from spreading to nearby campers. At least two other campers were damaged by heat, according to the fire department.