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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The government is encouraging motorists to think twice about buying diesel cars in a bid to improve air quality.
Atlantic frontal systems spread rain in from the northwest on both weekend days. Windy - with gales across the north and west but mild.
The band announced at a free concert on Friday that they would take over the event's Pyramid stage on Saturday June 25.