Bank of England governor, Mervyn King
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UK threatened by global economy, says Mervyn King

The Bank of England governor, Mervyn King, has been explaining the bank's decision to pump extra money into the economy by so-called quantitative easing.

It is going to inject an extra £75bn into the economy in an attempt to keep Britain's recovery on track.

It is the first time the emergency measure has been used in almost two years.

Mr King told the BBC's economics editor Stephanie Flanders that the UK recovery was threatened by global tensions.

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