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Bargain hunting on Black Friday

US shoppers faced with tighter household budgets are hunting for bargains on Black Friday, the biggest shopping day of the year.

Black Friday, as it is known, is the biggest shopping day of the year for US retailers - the day after the Thanksgiving holiday.

More Americans have jobs than a year ago, but incomes are failing to keep pace with household costs, so customers are being even more careful with their money.

Samira Hussain reports from New York.