prison officers and claimed he flew into a rage because he was being mocked for coming from Aberdeen.Jed Duncan, 25, lashed out at the officers because he didn't like the "banter" about his native city and felt he was picked on and treated unfairly.Duncan was jailed for a year yesterday after he admitted two separate assaults and being caught on two occasions with illicit mobile phones.Sheriff Neil Bowie added the year to the three years and four months Duncan had imposed at the High Court in