US President Barack Obama takes the oath of office
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Obama sworn in for second term

20 January 2013 Last updated at 17:17 GMT

Barack Obama has officially been sworn in for his second term as US president in a small ceremony at the White House.

Although the US Constitution requires the oath of office to be taken by noon on 20 January, that falls on a Sunday so the public inauguration will take place on Monday.

Mr Obama took his official oath in the White House's Blue Room.