The Dayton Police Department is asking for help locating a missing woman.
Christiana Pettis, 18, was last seen in the 100 block of Oxford Avenue on June 26 around 7:10 p.m., according to the police department.
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She was last seen wearing a black jacket and green shorts.
Police say Pettis has autism.
Anyone with information on her whereabouts is asked to call (937) 333-COPS (937-333-2677) or http://miamivalleycrimestoppers.com .