A full-scale search is underway in a remote part of Blount County for a missing child. Officers say 6-year-old Kayden Leach was last seen last night in the Top of the World community. The Blount County Sheriff’s Office is working with multiple agencies in the search, including members of their special operations team and SWAT team. They are being assisted in the search by a crew in a Black Hawk helicopter. This is a developing story and more information will be released as it becomes available.