UPDATE — The Silver Alert for the missing teen has been canceled, authorities say she was found safe.

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HARRISON COUNTY, Ind. — A statewide Silver Alert has been declared for a missing 15-year-old girl who was last seen on Friday.

Police said she has not been seen since Jan. 21 at approximately 11:11 p.m. and is missing from Corydon. She is believed to be in extreme danger and may require medical assistance.

If you have any information on Cheyenne Alcorn, please contact the Harrison County Sheriff’s Department at (812) 738-3911 or 911.