The Walla Walla Fire Department is presenting its annual “Keep the Wreaths Red” challenge as a way to remind residents preparing for the holidays to keep their families and homes safe. For the rest of the holiday season, each Walla Walla fire station — at the corner of 12th Avenue and Poplar Street and at Wilbur Avenue and Tacoma Street — will have a wreath mounted with red lights. For every fire that happens now through New Year’s Day, fire department staff will replace one of the red bulbs with a white one to indicate that a fire has occurred. The number of structure fires tends to increase during the winter months and particularly around the holiday season, according to a fire department news release.