This Halloween, as children dress as witches for trick-or-treating, a real witch in Wausau is celebrating the ancient Celtic festival that started it all.

If you see a friendly witch riding her bike around St. Paul, it might just be Halloween and teacher assistant Sara Mountain is heading to school.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. NEW YORK (PIX11) — When you hear the word ...