The Foreign Ministry in Ankara is aware of an incident and is investigating the details, an official said by e-mail on the usual condition of anonymity. The buses carrying Turkish pilgrims through Syria from Saudi Arabia were fired on after the driver lost his way and asked for directions, NTV said.
The injured were being treated in a hospital in Antakya in southern Turkey, it said. Television channels showed images of a bus with a broken window at the customs gate in Turkey.
Turkey last week set up a watch center to share information among business people active in Syria in order to ensure their safety and protect Turkish interests. As many as 15,000 Turkish pilgrims may be passing through Syria on their return from Saudi Arabia to Turkey, NTV said.
Turkey has been increasingly critical of Syrian President Bashar al-Assad, a former ally, and his crackdown on anti- government protests that has left thousands dead.
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