MIDDLE RIVER, MD—Police in Baltimore County are searching for a missing teen.

Semaj Blackston, 13, is 5’05” tall and weighs 135 pounds.

She was last seen in the Middle River area wearing black and white plaid jacket and gray pants.

Anyone with information on Semaj Blackston’s whereabouts is asked to dial 9-1-1 or call police at 410-307-2020.