Marine Le Pen, the new president of the French far-right National Front party, told Stephen Sackur that French leaders have betrayed their population by signing up to the EU and the euro, and that French people have become "slaves" to their debts.

Le Pen, a candidate for next year's presidential elections, wants France to leave the euro and the EU.

Watch the full interview on BBC World News on Monday 19 December at 15:30 and 21:30 GMT and 04:30 and 09:30 on Tuesday 20 December 2011, and on BBC News Channel on Tuesday 20 December at 0030 GMT.

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