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Official: Turkish police detain man NYC woman's disappearance

A member of the Istanbul-based Association For Families With Lost Relatives hands out flyers with photos of Sarai Sierra, a New York City woman who disappeared while on vacation in Istanbul, urging anyone with information to call police, in Istanbul, Turkey, Thursday, Jan. 31, 2013. Sierra, a 33 year-old mother of two, has been missing since Jan. 21, when she was due to return home. Turkish police have set up a special unit to search for her and are trying to trace a man she had been in contact with during her stay.(AP Photo)

A member of the Istanbul-based Association For Families With Lost Relatives hands out flyers with photos of Sarai Sierra, a New York City woman who disappeared while on vacation in Istanbul, urging anyone with information to call police, in Istanbul, Turkey, Thursday, Jan. 31, 2013. Sierra, a 33 year-old mother of two, has been missing since Jan. 21, when she was due to return home. Turkish police have set up a special unit to search for her and are trying to trace a man she had been in contact with during her stay.(AP Photo)  (The Associated Press)

An official says police in Istanbul have detained a man who exchanged online messages with a missing New York City woman after questioning him over her disappearance.

Sarai Sierra, a 33-year-old mother of two, went missing while vacationing alone in Istanbul. She was last heard from on Jan. 21, the day she was due back home.

A police official in Istanbul, who spoke on condition of anonymity in line with government rules, said Friday that the man had been detained but refused to identify him or provide further details on the arrest.