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The passenger trains crashed into each other head-on near the village of Tavsancil, in north-west Turkey.

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At least six people were killed and scores injured in the accident.

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Rescue workers rushed to the scene, as injured passengers lay trapped in the wreckage.

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Turkish state railways said one of the trains had apparently passed through a red light.

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Parts of the trains were totally destroyed in the accident.

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Some injured passengers were walking wounded and treated at the scene.

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Rescue work continued hours after the crash - the third rail accident in Turkey in a month.