The Court of Appeal concluded in late November that Danny Nightingale's sentence was too harsh. Three appeal judges cut the term to 12 months, said it should be suspended, and ordered Sgt Nightingale's release.
Lawyers representing Sergeant Nightingale, 38, are today scheduled to try to quash the conviction at another Court of Appeal hearing in London.
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A Jewish leader was forced to escape from the camp through a window last night, when he was locked in during a TV broadcast.