A food processing plant in Corby is to close in the summer with the loss of 900 jobs.
Although 500 job losses had already been threatened at Solway Foods, discussions had been continuing to try to save the factory.
Solway Foods is the town's second largest employer, but the company says the factory, which opened in 1988, is no longer viable.
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Ukip has responded to the resignation of its only MP, Douglas Carswell, by suggesting he quit before he was kicked out.
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ITV News Anglia's Political Correspondent Emma Hutchinson asks what next for UKIP after Douglas Carswell quits the party?