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Newtown shootings: Minute silence

21 December 2012 Last updated at 05:21 GMT

People across the United States will observe a moment of silence today, exactly one week after a gunman killed twenty children and six members of staff at a primary school in Connecticut.

20-year-old Adam Lanza carried out the attack in Newtown after killing his mother and later shot himself dead.

Steve Kingstone reports from Washington.