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Prestwick airport's future in doubt as buyer is sought

10 December 2012 Last updated at 15:07 GMT

The future of Prestwick airport is in doubt as its New Zealand owners, Infratil, try to find a buyer.

The airport has fallen on hard times with fewer passengers and less cargo.

There has also been criticism that it is being deprived of investment.

BBC Scotland's business editor Douglas Fraser reports from the Ayrshire airfield.