National Christmas tree in Washington DC
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Obama lights national Christmas tree

7 December 2013 Last updated at 14:19 GMT

US President Barack Obama has lit the national Christmas tree in Washington DC.

He was joined by his family where they counted down to the big switch on.

Because of rainy weather, Obama shortened the countdown from 10 seconds to 5.

The switch on which takes place every year, had performances from artists including Mariah Carey.