The sole American prisoner of war held in Afghanistan was flown to a US military hospital in Germany.Army Sergeant Bowe Bergdahl had been held for nearly five years. He will be treated in Germany before being flown back to the United States.
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Police warned people not to approach the 32-year-old if they spotted him.
A witness said that the animals may have been spooked by the sound of a horn.
A fire engulfed much of the landmark building on Friday night.