Pentagon spokesman John Kirby told NBC News there was "no reason to doubt the authenticity" of the clip purporting to show US soldier Sergeant Bowe Bergdahl, who has spent five years in Taliban captivity, being handed back into US custody.
He said: "US officials are currently reviewing the video, but our focus right now is in getting Bergdahl the care he needs."
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The woman, who cannot be named for legal reasons, deliberately dropped her infant son causing him to hit his head on the ground.
One of four men accused of plotting to use a moped in a series of drive-by shootings in London has changed his plea at the Old Bailey.
The North Yorkshire town was divided since the historic bridge was damaged by floods at Christmas.