Bettina Jordan-Barber, a senior official at the Ministry of Defence who leaked scoops to The Sun, gave the newspaper details about the death of Major Matthew Bacon, who was killed in Iraq in 2005.
His father Roger Bacon told ITV News Correspondent Paul Davies that Jordan-Barber's actions were "contemptible":
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Significant crowds gathered at several of the bonfires.
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Labour said it would scrutinise the visa proposals carefully.