Seven people, including three Turkish police officials and two soldiers were wounded, said Adulhakim Ayhan, mayor of the border town of Akcakale, on private NTV television.

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Ozturk and her Turkish colleague, Dr. Ayhan Dede, have been studying the three species of dolphins commonly found in the Bosphorus, a 20-mile long channel which bisects Istanbul, a city of more than 10 million people, and runs from the Black Sea to the Sea of Marmara.

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