PARENTS DRESSED AS Wizard of Oz characters, from left, the Lion, the Tin Man and the Wicked Witch, wait while their children trick-or-treat at a shopping center at sunset in Freeport on Tuesday. While the Halloween celebrations went on as scheduled in Freeport, several other towns, including Topsham and Bath, have asked that trick-or-treating be postponed until today due to ongoing cleanup from Monday’s severe storm.